How to move/copy wallet to another computer - Bitcoin ...

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The official BitBandit.eu subreddit!

Hey! You can be playing with real money and winning 10 seconds after you read this. Just send any amount to the bitcoin address above, take a deep breath and you are good to play. You don't have to register. It's necessary only if you want to leave money loaded and play from different devices (yes we support tablets and phones), if you want to have your winnings withdrawn to a custom address or if you want to make money with our affiliate program. It's fast, fun and easy! :-)
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Noob Question: What do I need to use my bitcoin wallet on another computer? /r/Bitcoin

Noob Question: What do I need to use my bitcoin wallet on another computer? /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

If I send bitcoin from one wallet to another wallet on the same computer is that good enough opsec

I have one wallet with a shit ton of bitcoin that is tied to my name. If I were to send that bitcoin to another wallet on the same tails computer would le be able to prove I own both wallets by the ip address or would tails obfuscate that information for me?
submitted by onequestonthrowaway to darknet [link] [comments]

Bitcoin mentioned around Reddit: If I send bitcoin from one wallet to another wallet on the same computer is that good enough opsec /r/darknet

Bitcoin mentioned around Reddit: If I send bitcoin from one wallet to another wallet on the same computer is that good enough opsec /darknet submitted by BitcoinAllBot to BitcoinAll [link] [comments]

Found a tiny amount of leftover BTC on a really old computer, can I merge with another wallet on a newer computer? /r/Bitcoin

Found a tiny amount of leftover BTC on a really old computer, can I merge with another wallet on a newer computer? /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

Wallet question -If you have a wallet that needs to update and you send from it but nothing gets sent because its still loading and on another computer you start a new wallet updated . /r/Bitcoin

Wallet question -If you have a wallet that needs to update and you send from it but nothing gets sent because its still loading and on another computer you start a new wallet updated . /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

Will I run into problems if I move my bitcoin from one electrum wallet to another electrum wallet on another computer? /r/Bitcoin

Will I run into problems if I move my bitcoin from one electrum wallet to another electrum wallet on another computer? /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

So if I export the private key as file.key , I can use that file to import my bitcoins on to another wallet on another computer? /r/Bitcoin

So if I export the private key as file.key , I can use that file to import my bitcoins on to another wallet on another computer? /Bitcoin submitted by BitcoinAllBot to BitcoinAll [link] [comments]

Technical: Taproot: Why Activate?

This is a follow-up on https://old.reddit.com/Bitcoin/comments/hqzp14/technical_the_path_to_taproot_activation/
Taproot! Everybody wants it!! But... you might ask yourself: sure, everybody else wants it, but why would I, sovereign Bitcoin HODLer, want it? Surely I can be better than everybody else because I swapped XXX fiat for Bitcoin unlike all those nocoiners?
And it is important for you to know the reasons why you, o sovereign Bitcoiner, would want Taproot activated. After all, your nodes (or the nodes your wallets use, which if you are SPV, you hopefully can pester to your wallet vendoimplementor about) need to be upgraded in order for Taproot activation to actually succeed instead of becoming a hot sticky mess.
First, let's consider some principles of Bitcoin.
I'm sure most of us here would agree that the above are very important principles of Bitcoin and that these are principles we would not be willing to remove. If anything, we would want those principles strengthened (especially the last one, financial privacy, which current Bitcoin is only sporadically strong with: you can get privacy, it just requires effort to do so).
So, how does Taproot affect those principles?

Taproot and Your /Coins

Most HODLers probably HODL their coins in singlesig addresses. Sadly, switching to Taproot would do very little for you (it gives a mild discount at spend time, at the cost of a mild increase in fee at receive time (paid by whoever sends to you, so if it's a self-send from a P2PKH or bech32 address, you pay for this); mostly a wash).
(technical details: a Taproot output is 1 version byte + 32 byte public key, while a P2WPKH (bech32 singlesig) output is 1 version byte + 20 byte public key hash, so the Taproot output spends 12 bytes more; spending from a P2WPKH requires revealing a 32-byte public key later, which is not needed with Taproot, and Taproot signatures are about 9 bytes smaller than P2WPKH signatures, but the 32 bytes plus 9 bytes is divided by 4 because of the witness discount, so it saves about 11 bytes; mostly a wash, it increases blockweight by about 1 virtual byte, 4 weight for each Taproot-output-input, compared to P2WPKH-output-input).
However, as your HODLings grow in value, you might start wondering if multisignature k-of-n setups might be better for the security of your savings. And it is in multisignature that Taproot starts to give benefits!
Taproot switches to using Schnorr signing scheme. Schnorr makes key aggregation -- constructing a single public key from multiple public keys -- almost as trivial as adding numbers together. "Almost" because it involves some fairly advanced math instead of simple boring number adding, but hey when was the last time you added up your grocery list prices by hand huh?
With current P2SH and P2WSH multisignature schemes, if you have a 2-of-3 setup, then to spend, you need to provide two different signatures from two different public keys. With Taproot, you can create, using special moon math, a single public key that represents your 2-of-3 setup. Then you just put two of your devices together, have them communicate to each other (this can be done airgapped, in theory, by sending QR codes: the software to do this is not even being built yet, but that's because Taproot hasn't activated yet!), and they will make a single signature to authorize any spend from your 2-of-3 address. That's 73 witness bytes -- 18.25 virtual bytes -- of signatures you save!
And if you decide that your current setup with 1-of-1 P2PKH / P2WPKH addresses is just fine as-is: well, that's the whole point of a softfork: backwards-compatibility; you can receive from Taproot users just fine, and once your wallet is updated for Taproot-sending support, you can send to Taproot users just fine as well!
(P2WPKH and P2WSH -- SegWit v0 -- addresses start with bc1q; Taproot -- SegWit v1 --- addresses start with bc1p, in case you wanted to know the difference; in bech32 q is 0, p is 1)
Now how about HODLers who keep all, or some, of their coins on custodial services? Well, any custodial service worth its salt would be doing at least 2-of-3, or probably something even bigger, like 11-of-15. So your custodial service, if it switched to using Taproot internally, could save a lot more (imagine an 11-of-15 getting reduced from 11 signatures to just 1!), which --- we can only hope! --- should translate to lower fees and better customer service from your custodial service!
So I think we can say, very accurately, that the Bitcoin principle --- that YOU are in control of your money --- can only be helped by Taproot (if you are doing multisignature), and, because P2PKH and P2WPKH remain validly-usable addresses in a Taproot future, will not be harmed by Taproot. Its benefit to this principle might be small (it mostly only benefits multisignature users) but since it has no drawbacks with this (i.e. singlesig users can continue to use P2WPKH and P2PKH still) this is still a nice, tidy win!
(even singlesig users get a minor benefit, in that multisig users will now reduce their blockchain space footprint, so that fees can be kept low for everybody; so for example even if you have your single set of private keys engraved on titanium plates sealed in an airtight box stored in a safe buried in a desert protected by angry nomads riding giant sandworms because you're the frickin' Kwisatz Haderach, you still gain some benefit from Taproot)
And here's the important part: if P2PKH/P2WPKH is working perfectly fine with you and you decide to never use Taproot yourself, Taproot will not affect you detrimentally. First do no harm!

Taproot and Your Contracts

No one is an island, no one lives alone. Give and you shall receive. You know: by trading with other people, you can gain expertise in some obscure little necessity of the world (and greatly increase your productivity in that little field), and then trade the products of your expertise for necessities other people have created, all of you thereby gaining gains from trade.
So, contracts, which are basically enforceable agreements that facilitate trading with people who you do not personally know and therefore might not trust.
Let's start with a simple example. You want to buy some gewgaws from somebody. But you don't know them personally. The seller wants the money, you want their gewgaws, but because of the lack of trust (you don't know them!! what if they're scammers??) neither of you can benefit from gains from trade.
However, suppose both of you know of some entity that both of you trust. That entity can act as a trusted escrow. The entity provides you security: this enables the trade, allowing both of you to get gains from trade.
In Bitcoin-land, this can be implemented as a 2-of-3 multisignature. The three signatories in the multisgnature would be you, the gewgaw seller, and the escrow. You put the payment for the gewgaws into this 2-of-3 multisignature address.
Now, suppose it turns out neither of you are scammers (whaaaat!). You receive the gewgaws just fine and you're willing to pay up for them. Then you and the gewgaw seller just sign a transaction --- you and the gewgaw seller are 2, sufficient to trigger the 2-of-3 --- that spends from the 2-of-3 address to a singlesig the gewgaw seller wants (or whatever address the gewgaw seller wants).
But suppose some problem arises. The seller gave you gawgews instead of gewgaws. Or you decided to keep the gewgaws but not sign the transaction to release the funds to the seller. In either case, the escrow is notified, and if it can sign with you to refund the funds back to you (if the seller was a scammer) or it can sign with the seller to forward the funds to the seller (if you were a scammer).
Taproot helps with this: like mentioned above, it allows multisignature setups to produce only one signature, reducing blockchain space usage, and thus making contracts --- which require multiple people, by definition, you don't make contracts with yourself --- is made cheaper (which we hope enables more of these setups to happen for more gains from trade for everyone, also, moon and lambos).
(technology-wise, it's easier to make an n-of-n than a k-of-n, making a k-of-n would require a complex setup involving a long ritual with many communication rounds between the n participants, but an n-of-n can be done trivially with some moon math. You can, however, make what is effectively a 2-of-3 by using a three-branch SCRIPT: either 2-of-2 of you and seller, OR 2-of-2 of you and escrow, OR 2-of-2 of escrow and seller. Fortunately, Taproot adds a facility to embed a SCRIPT inside a public key, so you can have a 2-of-2 Taprooted address (between you and seller) with a SCRIPT branch that can instead be spent with 2-of-2 (you + escrow) OR 2-of-2 (seller + escrow), which implements the three-branched SCRIPT above. If neither of you are scammers (hopefully the common case) then you both sign using your keys and never have to contact the escrow, since you are just using the escrow public key without coordinating with them (because n-of-n is trivial but k-of-n requires setup with communication rounds), so in the "best case" where both of you are honest traders, you also get a privacy boost, in that the escrow never learns you have been trading on gewgaws, I mean ewww, gawgews are much better than gewgaws and therefore I now judge you for being a gewgaw enthusiast, you filthy gewgawer).

Taproot and Your Contracts, Part 2: Cryptographic Boogaloo

Now suppose you want to buy some data instead of things. For example, maybe you have some closed-source software in trial mode installed, and want to pay the developer for the full version. You want to pay for an activation code.
This can be done, today, by using an HTLC. The developer tells you the hash of the activation code. You pay to an HTLC, paying out to the developer if it reveals the preimage (the activation code), or refunding the money back to you after a pre-agreed timeout. If the developer claims the funds, it has to reveal the preimage, which is the activation code, and you can now activate your software. If the developer does not claim the funds by the timeout, you get refunded.
And you can do that, with HTLCs, today.
Of course, HTLCs do have problems:
Fortunately, with Schnorr (which is enabled by Taproot), we can now use the Scriptless Script constuction by Andrew Poelstra. This Scriptless Script allows a new construction, the PTLC or Pointlocked Timelocked Contract. Instead of hashes and preimages, just replace "hash" with "point" and "preimage" with "scalar".
Or as you might know them: "point" is really "public key" and "scalar" is really a "private key". What a PTLC does is that, given a particular public key, the pointlocked branch can be spent only if the spender reveals the private key of the given public key to you.
Another nice thing with PTLCs is that they are deniable. What appears onchain is just a single 2-of-2 signature between you and the developemanufacturer. It's like a magic trick. This signature has no special watermarks, it's a perfectly normal signature (the pledge). However, from this signature, plus some datta given to you by the developemanufacturer (known as the adaptor signature) you can derive the private key of a particular public key you both agree on (the turn). Anyone scraping the blockchain will just see signatures that look just like every other signature, and as long as nobody manages to hack you and get a copy of the adaptor signature or the private key, they cannot get the private key behind the public key (point) that the pointlocked branch needs (the prestige).
(Just to be clear, the public key you are getting the private key from, is distinct from the public key that the developemanufacturer will use for its funds. The activation key is different from the developer's onchain Bitcoin key, and it is the activation key whose private key you will be learning, not the developer's/manufacturer's onchain Bitcoin key).
So:
Taproot lets PTLCs exist onchain because they enable Schnorr, which is a requirement of PTLCs / Scriptless Script.
(technology-wise, take note that Scriptless Script works only for the "pointlocked" branch of the contract; you need normal Script, or a pre-signed nLockTimed transaction, for the "timelocked" branch. Since Taproot can embed a script, you can have the Taproot pubkey be a 2-of-2 to implement the Scriptless Script "pointlocked" branch, then have a hidden script that lets you recover the funds with an OP_CHECKLOCKTIMEVERIFY after the timeout if the seller does not claim the funds.)

Quantum Quibbles!

Now if you were really paying attention, you might have noticed this parenthetical:
(technical details: a Taproot output is 1 version byte + 32 byte public key, while a P2WPKH (bech32 singlesig) output is 1 version byte + 20 byte public key hash...)
So wait, Taproot uses raw 32-byte public keys, and not public key hashes? Isn't that more quantum-vulnerable??
Well, in theory yes. In practice, they probably are not.
It's not that hashes can be broken by quantum computes --- they're still not. Instead, you have to look at how you spend from a P2WPKH/P2PKH pay-to-public-key-hash.
When you spend from a P2PKH / P2WPKH, you have to reveal the public key. Then Bitcoin hashes it and checks if this matches with the public-key-hash, and only then actually validates the signature for that public key.
So an unconfirmed transaction, floating in the mempools of nodes globally, will show, in plain sight for everyone to see, your public key.
(public keys should be public, that's why they're called public keys, LOL)
And if quantum computers are fast enough to be of concern, then they are probably fast enough that, in the several minutes to several hours from broadcast to confirmation, they have already cracked the public key that is openly broadcast with your transaction. The owner of the quantum computer can now replace your unconfirmed transaction with one that pays the funds to itself. Even if you did not opt-in RBF, miners are still incentivized to support RBF on RBF-disabled transactions.
So the extra hash is not as significant a protection against quantum computers as you might think. Instead, the extra hash-and-compare needed is just extra validation effort.
Further, if you have ever, in the past, spent from the address, then there exists already a transaction indelibly stored on the blockchain, openly displaying the public key from which quantum computers can derive the private key. So those are still vulnerable to quantum computers.
For the most part, the cryptographers behind Taproot (and Bitcoin Core) are of the opinion that quantum computers capable of cracking Bitcoin pubkeys are unlikely to appear within a decade or two.
So:
For now, the homomorphic and linear properties of elliptic curve cryptography provide a lot of benefits --- particularly the linearity property is what enables Scriptless Script and simple multisignature (i.e. multisignatures that are just 1 signature onchain). So it might be a good idea to take advantage of them now while we are still fairly safe against quantum computers. It seems likely that quantum-safe signature schemes are nonlinear (thus losing these advantages).

Summary

I Wanna Be The Taprooter!

So, do you want to help activate Taproot? Here's what you, mister sovereign Bitcoin HODLer, can do!

But I Hate Taproot!!

That's fine!

Discussions About Taproot Activation

submitted by almkglor to Bitcoin [link] [comments]

[Discussion] Let's talk about CakeWallet and how it's "marketed" here

Hello to all,
First, I want to start this discussion by specifying that I have nothing against CakeWallet, I only want to talk about their marketing on this sub-reddit nothing else.
For the past few months, I've been following this sub-reddit on a regular basis as I'm a big Monero user. I look at a lot of questions and hesitate very regularly to create an account to answer them. In doing so, I often notice new users asking how to switch from Bitcoin to Monero or others asking for a wallet where to store them. I have nothing against CakeWallet "ads" when the person themselves are looking for a place to store them (when it's not excessive) but on the other hand, I find it goes too far when a user asks how to get Monero. This is where I think the dilemma begins.
I see far too many "Use CakeWallet it offers exchange!" messages on this kind of request, if this wallet offered an internal exchange solution where no other third party is involved I would agree with it, but in this case it's not. The 2 exchangers are available online and the exchange can be done WITHOUT the need to download the application and make the exchange on it. In this case, many will say to me "But they need a wallet" or "It's more safe!" but in most cases, these users already use a wallet and don't expect to be given another one just to make an exchange, regarding the fact that it's more "secure", giving a link directly or giving the list of possible exchanges from the official website seems more suitable to me.
Here are some examples of what I am talking about: 1- https://www.reddit.com/Monero/comments/iirl1m/should_i_trust_bitni/g38xq9x/ 2- https://www.reddit.com/Monero/comments/ihl3z2/dumb_question_but/g3296x1/ 3- https://www.reddit.com/Monero/comments/igh5sd/watch_out_fake_morphtoken_website/g2vjb0u/ 4- https://www.reddit.com/Monero/comments/id105b/reverse_xmrto/g265wiy/ | https://www.reddit.com/Monero/comments/id105b/reverse_xmrto/g26zb80/
I agree with advertising in general, especially when it affects Monero, but isn't that a bit too much? Shouldn't Rule 6 come into play in such cases? Knowing that CakeWallet is a company that delivers a product, it should fall under this rule and should be limited, I find that this kind of post is just a loophole to propagate the idea of this wallet. As time goes by, I hardly see "Use the official wallet" or any other such option. Wouldn't it be a good idea to share official documentation about wallets and exchanges in general, which would allow the user to make an unbiased choice? (https://web.getmonero.org/ - Get Started "Choose a Wallet" and "Get Some Coins")
Again, I underline the fact that I have nothing against CakeWallet, I use it myself when I can't access my computer, I just find their way to advertise really excessive and would have liked to talk about it with all of you.
Constructive answers are welcome!
submitted by ThatsMe1784a to Monero [link] [comments]

Ledger Live HUGE BUG!! Bitcoins can no longer be transferred from the Ledger Nano S (it worked in the past) and the Ledger Support does not respond

It is no longer possible to transfer my Bitcoin from the Ledger Nano S Wallet to another Bitcoin address via Ledger Live. This used to work without problems. So it seems to have to do with the latest updates.
I have installed Ledger Live 2.10.0 and latest firmware 1.6.1 as well as the latest version of the Bitcoin app on the Ledger Nano S.
When the message "Open the Bitcoin app on your device" is opened I start the Bitcoin app on Ledger Nano S. But then the message jumps back to "Connect and unlock your device" although the wallet is unlocked. I tried different USB ports, different cables, different computers and reboots. Sending Bitcoin no longer works.
The old hint regarding Experimental USB does not work anymore because this option is no longer available in the new Ledger Live App.
The Ledger Support team does not respond: "We are contacting you because your request ###### hasn't received a response from our support team since Sep 3. We would like to apologize for this delay. Due to extraordinary circumstances, we have faced a significant increase in incoming requests. We assure you the team is working hard to provide the best answer to every request."
The experience with Ledger Nano S has been very bad so far. I am thinking about changing the provider.
submitted by Affectionate_Seat979 to ledgerwallet [link] [comments]

How to sell xBricks for money (self post for mod approval)

Preface
I've written this guide with those that are unfamiliar with crypto in mind, however it's still a lengthy process. I'm going to try to present this in a way where you don't have to learn how the underlying crypto technology works, but I will add in links to relevant concepts in case you're curious. This process was a lot more complicated before but I made a web interface to simplify it.
At the time of writing this, FortniteBR BRICKs are worth 10 cents a piece. That makes 1000 bricks worth 100 bucks. The liquidity pool is about $14,000 at the time of writing, meaning that there's room in the market for you to hypothetically get $7,000 if you had a lot of BRICKs.
If at any point throughout this process you need help, DM me!
Misc. Resources That Might Be Helpful
What you need
You will need:
Step 1: Setup
On your desktop computer, install MetaMask. This is an Ethereum Wallet which will allow you to interact with the Ethereum Network and its many sidechains. More on this later.
Follow the setup instructions in MetaMask. If you've never done this before, you'll need to create a new seed phrase. Video tutorial if you get stuck.
YOUR SEED PHRASE IS THE KEY TO YOUR WALLET. ANYONE WHO HAS ACCESS TO YOUR SEED PHRASE CAN TAKE YOUR FUNDS. IF YOU LOSE YOUR SEED PHRASE YOU HAVE NO WAY TO RECOVER YOUR FUNDS. WRITE IT DOWN AND STORE IT IN A SAFE PLACE!!! NEVER GIVE IT OUT TO ANYONE - ANYONE THAT ASKS FOR YOUR SEED PHRASE IS TRYING TO SCAM YOU! DON'T FALL FOR IT!
In the MetaMask interface, you'll see "Main Ethereum Network". This process uses two networks. One of them is the Rinkeby Testnet (where the BRICK tokens are natively) and one of them is the xDAI network which is where we will bridge the tokens to in order to exchange them for Dai, a token which is pegged to the price of the dollar.
From the dropdown, select Rinkeby Testnet. If you're in the assets tab, you should see a thing that shows your ETH balance. Below this, you should see an "add token" button. Click it. Go to "Custom Token" at the top. In "token contract address," paste in the following:
0xe0d8d7b8273de14e628d2f2a4a10f719f898450a
The other fields will autofill. Hit next. You'll now see your BRICK balance (which will be 0, you haven't transferred your bricks yet) in MetaMask if you've done everything right.
You'll need Rinkeby Ether to cover transaction fees. Since we're on a testnet, the Ether is worthless which means people hand it out for free. You can get this Ether from a variety of places:
Now it's time to get your BRICKs from your Reddit vault into your MetaMask wallet.
WARNING: ALL CRYPTO TRANSACTIONS ARE IRREVERSIBLE.
Your Ethereum address shows up under Rinkeby. It should be "0x" followed by a bunch of hex characters. Click on it to copy it to your clipboard. You now need to somehow get this to your mobile device. Email it to yourself, text it to yourself, whatever.
On your Reddit mobile app home screen, click on your profile icon and then go to vault. You'll need to set this up and claim your tokens if you haven't already. Be aware that this is also technically an Ethereum wallet. Keep your seed phrase safe.
Send however many BRICKs you want to sell to your MetaMask wallet. Check to make sure the addresses are the same, but don't worry too much about making a typo or whatever. The chances that you'd make a typo that would result in a valid Ethereum address are slim, if you get a character wrong it'll just tell you it's not a real Ethereum address and prevent you from sending.
It may show an error when you try to send. This is somewhat rare but pretty normal. They often run out of testnet Ether. Come back later and try again.
If it works properly, it'll take about a minute to go through. It may take longer than that.
Once the transaction goes through, you'll see that you have an absurd amount of BRICKs in MetaMask. No, there wasn't a glitch. The people who wrote the code for BRICKs made the decimals of precision weird for some reason. It's off by a factor of 1018. This isn't a big deal.
If you see Bricks and Ether (ETH) in your MetaMask wallet, proceed to the next step. If you're having issues, feel free to DM me.
Step 2: Getting Your BRICKs from Rinkeby to xDai
There's a LOT going on under the hood for this part (deets for those interested). Previously this required manually generating contract interactions, which is kind of a pain if you're new to Ethereum. I made a UI to make this easier (it generates the transactions for you, all you have to do is sign them with your wallet). This took way longer to do than you might guess, so feel free to help a homie out at:
0x4BCcC2569DD93C7dF43431A7b70db569dedB6187
Go to my tool. Hit connect. If you're on the Rinkeby network, it should show your balance in BRICKs. Enter the amount you want to bridge (probably all of them). If neither of us have made any mistakes, it should pop up with a request to spend your BRICKs. If there's any issue with this tool, DM me. This allows the TokenBridge contract to take your BRICKs and put them on the xDai network where you can sell them. This is the part where you'll get an error if you don't have any testnet ETH. Set the gas price to 1 (the suggested price is based on the Main Ethereum Network - it's way too high). After you approve that, it'll give you another thing to accept. This is the actual transaction where it'll bridge to xDai. Again, make sure the gas price is set to 1 and confirm the transaction.
Add xDai to MetaMask
Switch to the xDai network. We're going to add another token. Again, go to "add token" > "custom token" > "token contract address". Paste in:
0x2f9ceBf5De3bc25E0643D0E66134E5bf5c48e191
If the transactions have gone through, you should see your xBricks (the name for BRICKs that have been bridged to xDai) in MetaMask. If not, wait a bit for the transactions to go through. Sometimes there are slowdowns that cause bridging to take a while. Shouldn't take too long, though. Once that's done, you're ready for the next step.
Step 3: Trading Your xBricks for xDai
Go to Honeyswap. Hit "select a token." You'll need to paste in the xBrick address again. Here it is:
0x2f9ceBf5De3bc25E0643D0E66134E5bf5c48e191
Click xBrick.
You'll need to flipflop the trade around by hitting the arrow button. xBrick should be on top. Type in the amount of xBricks you want to sell, or hit max to sell all of them. 1 xDai = $1. You'll need to hit approve first. Set gas price to 1 again. Then you can complete the trade by hitting swap. After a bit, the xDai should show up in your wallet.
Step 4: Mainnet
Everything on Mainnet costs actual money to do. It costs about 50 cents to make a transaction and it costs about 3 bucks to use an exchange like the one we just used. If you don't have mainnet Ether, you won't be able to do anything with your mainnet Dai (what xDai is called when it's bridged back to the main Ethereum network). You may be able to find someone to lend you some ETH to make these transactions with. Whatever you do, just be aware.
If you still want to bridge your xDai into Dai, go here and make sure xDai is on the left. If it's not, go in the top right and select xDai chain. Enter the amount of xDai you want to bridge to mainnet and then hit transfer. Follow the prompts. This part may take up to an hour due to recent network congestion. After it's done, if you go back to Main Ethereum Network in MetaMask you should see your Dai.
If you have a few bucks of ETH, you can use UniSwap to convert your Dai to even more ETH. Uniswap tutorial
Things you can do with ETH
submitted by Oninteressant123 to u/Oninteressant123 [link] [comments]

Technical: The Path to Taproot Activation

Taproot! Everybody wants to have it, somebody wants to make it, nobody knows how to get it!
(If you are asking why everybody wants it, see: Technical: Taproot: Why Activate?)
(Pedants: I mostly elide over lockin times)
Briefly, Taproot is that neat new thing that gets us:
So yes, let's activate taproot!

The SegWit Wars

The biggest problem with activating Taproot is PTSD from the previous softfork, SegWit. Pieter Wuille, one of the authors of the current Taproot proposal, has consistently held the position that he will not discuss activation, and will accept whatever activation process is imposed on Taproot. Other developers have expressed similar opinions.
So what happened with SegWit activation that was so traumatic? SegWit used the BIP9 activation method. Let's dive into BIP9!

BIP9 Miner-Activated Soft Fork

Basically, BIP9 has a bunch of parameters:
Now there are other parameters (name, starttime) but they are not anywhere near as important as the above two.
A number that is not a parameter, is 95%. Basically, activation of a BIP9 softfork is considered as actually succeeding if at least 95% of blocks in the last 2 weeks had the specified bit in the nVersion set. If less than 95% had this bit set before the timeout, then the upgrade fails and never goes into the network. This is not a parameter: it is a constant defined by BIP9, and developers using BIP9 activation cannot change this.
So, first some simple questions and their answers:

The Great Battles of the SegWit Wars

SegWit not only fixed transaction malleability, it also created a practical softforkable blocksize increase that also rebalanced weights so that the cost of spending a UTXO is about the same as the cost of creating UTXOs (and spending UTXOs is "better" since it limits the size of the UTXO set that every fullnode has to maintain).
So SegWit was written, the activation was decided to be BIP9, and then.... miner signalling stalled at below 75%.
Thus were the Great SegWit Wars started.

BIP9 Feature Hostage

If you are a miner with at least 5% global hashpower, you can hold a BIP9-activated softfork hostage.
You might even secretly want the softfork to actually push through. But you might want to extract concession from the users and the developers. Like removing the halvening. Or raising or even removing the block size caps (which helps larger miners more than smaller miners, making it easier to become a bigger fish that eats all the smaller fishes). Or whatever.
With BIP9, you can hold the softfork hostage. You just hold out and refuse to signal. You tell everyone you will signal, if and only if certain concessions are given to you.
This ability by miners to hold a feature hostage was enabled because of the miner-exit allowed by the timeout on BIP9. Prior to that, miners were considered little more than expendable security guards, paid for the risk they take to secure the network, but not special in the grand scheme of Bitcoin.

Covert ASICBoost

ASICBoost was a novel way of optimizing SHA256 mining, by taking advantage of the structure of the 80-byte header that is hashed in order to perform proof-of-work. The details of ASICBoost are out-of-scope here but you can read about it elsewhere
Here is a short summary of the two types of ASICBoost, relevant to the activation discussion.
Now, "overt" means "obvious", while "covert" means hidden. Overt ASICBoost is obvious because nVersion bits that are not currently in use for BIP9 activations are usually 0 by default, so setting those bits to 1 makes it obvious that you are doing something weird (namely, Overt ASICBoost). Covert ASICBoost is non-obvious because the order of transactions in a block are up to the miner anyway, so the miner rearranging the transactions in order to get lower power consumption is not going to be detected.
Unfortunately, while Overt ASICBoost was compatible with SegWit, Covert ASICBoost was not. This is because, pre-SegWit, only the block header Merkle tree committed to the transaction ordering. However, with SegWit, another Merkle tree exists, which commits to transaction ordering as well. Covert ASICBoost would require more computation to manipulate two Merkle trees, obviating the power benefits of Covert ASICBoost anyway.
Now, miners want to use ASICBoost (indeed, about 60->70% of current miners probably use the Overt ASICBoost nowadays; if you have a Bitcoin fullnode running you will see the logs with lots of "60 of last 100 blocks had unexpected versions" which is exactly what you would see with the nVersion manipulation that Overt ASICBoost does). But remember: ASICBoost was, at around the time, a novel improvement. Not all miners had ASICBoost hardware. Those who did, did not want it known that they had ASICBoost hardware, and wanted to do Covert ASICBoost!
But Covert ASICBoost is incompatible with SegWit, because SegWit actually has two Merkle trees of transaction data, and Covert ASICBoost works by fudging around with transaction ordering in a block, and recomputing two Merkle Trees is more expensive than recomputing just one (and loses the ASICBoost advantage).
Of course, those miners that wanted Covert ASICBoost did not want to openly admit that they had ASICBoost hardware, they wanted to keep their advantage secret because miners are strongly competitive in a very tight market. And doing ASICBoost Covertly was just the ticket, but they could not work post-SegWit.
Fortunately, due to the BIP9 activation process, they could hold SegWit hostage while covertly taking advantage of Covert ASICBoost!

UASF: BIP148 and BIP8

When the incompatibility between Covert ASICBoost and SegWit was realized, still, activation of SegWit stalled, and miners were still not openly claiming that ASICBoost was related to non-activation of SegWit.
Eventually, a new proposal was created: BIP148. With this rule, 3 months before the end of the SegWit timeout, nodes would reject blocks that did not signal SegWit. Thus, 3 months before SegWit timeout, BIP148 would force activation of SegWit.
This proposal was not accepted by Bitcoin Core, due to the shortening of the timeout (it effectively times out 3 months before the initial SegWit timeout). Instead, a fork of Bitcoin Core was created which added the patch to comply with BIP148. This was claimed as a User Activated Soft Fork, UASF, since users could freely download the alternate fork rather than sticking with the developers of Bitcoin Core.
Now, BIP148 effectively is just a BIP9 activation, except at its (earlier) timeout, the new rules would be activated anyway (instead of the BIP9-mandated behavior that the upgrade is cancelled at the end of the timeout).
BIP148 was actually inspired by the BIP8 proposal (the link here is a historical version; BIP8 has been updated recently, precisely in preparation for Taproot activation). BIP8 is basically BIP9, but at the end of timeout, the softfork is activated anyway rather than cancelled.
This removed the ability of miners to hold the softfork hostage. At best, they can delay the activation, but not stop it entirely by holding out as in BIP9.
Of course, this implies risk that not all miners have upgraded before activation, leading to possible losses for SPV users, as well as again re-pressuring miners to signal activation, possibly without the miners actually upgrading their software to properly impose the new softfork rules.

BIP91, SegWit2X, and The Aftermath

BIP148 inspired countermeasures, possibly from the Covert ASiCBoost miners, possibly from concerned users who wanted to offer concessions to miners. To this day, the common name for BIP148 - UASF - remains an emotionally-charged rallying cry for parts of the Bitcoin community.
One of these was SegWit2X. This was brokered in a deal between some Bitcoin personalities at a conference in New York, and thus part of the so-called "New York Agreement" or NYA, another emotionally-charged acronym.
The text of the NYA was basically:
  1. Set up a new activation threshold at 80% signalled at bit 4 (vs bit 1 for SegWit).
    • When this 80% signalling was reached, miners would require that bit 1 for SegWit be signalled to achive the 95% activation needed for SegWit.
  2. If the bit 4 signalling reached 80%, increase the block weight limit from the SegWit 4000000 to the SegWit2X 8000000, 6 months after bit 1 activation.
The first item above was coded in BIP91.
Unfortunately, if you read the BIP91, independently of NYA, you might come to the conclusion that BIP91 was only about lowering the threshold to 80%. In particular, BIP91 never mentions anything about the second point above, it never mentions that bit 4 80% threshold would also signal for a later hardfork increase in weight limit.
Because of this, even though there are claims that NYA (SegWit2X) reached 80% dominance, a close reading of BIP91 shows that the 80% dominance was only for SegWit activation, without necessarily a later 2x capacity hardfork (SegWit2X).
This ambiguity of bit 4 (NYA says it includes a 2x capacity hardfork, BIP91 says it does not) has continued to be a thorn in blocksize debates later. Economically speaking, Bitcoin futures between SegWit and SegWit2X showed strong economic dominance in favor of SegWit (SegWit2X futures were traded at a fraction in value of SegWit futures: I personally made a tidy but small amount of money betting against SegWit2X in the futures market), so suggesting that NYA achieved 80% dominance even in mining is laughable, but the NYA text that ties bit 4 to SegWit2X still exists.
Historically, BIP91 triggered which caused SegWit to activate before the BIP148 shorter timeout. BIP148 proponents continue to hold this day that it was the BIP148 shorter timeout and no-compromises-activate-on-August-1 that made miners flock to BIP91 as a face-saving tactic that actually removed the second clause of NYA. NYA supporters keep pointing to the bit 4 text in the NYA and the historical activation of BIP91 as a failed promise by Bitcoin developers.

Taproot Activation Proposals

There are two primary proposals I can see for Taproot activation:
  1. BIP8.
  2. Modern Softfork Activation.
We have discussed BIP8: roughly, it has bit and timeout, if 95% of miners signal bit it activates, at the end of timeout it activates. (EDIT: BIP8 has had recent updates: at the end of timeout it can now activate or fail. For the most part, in the below text "BIP8", means BIP8-and-activate-at-timeout, and "BIP9" means BIP8-and-fail-at-timeout)
So let's take a look at Modern Softfork Activation!

Modern Softfork Activation

This is a more complex activation method, composed of BIP9 and BIP8 as supcomponents.
  1. First have a 12-month BIP9 (fail at timeout).
  2. If the above fails to activate, have a 6-month discussion period during which users and developers and miners discuss whether to continue to step 3.
  3. Have a 24-month BIP8 (activate at timeout).
The total above is 42 months, if you are counting: 3.5 years worst-case activation.
The logic here is that if there are no problems, BIP9 will work just fine anyway. And if there are problems, the 6-month period should weed it out. Finally, miners cannot hold the feature hostage since the 24-month BIP8 period will exist anyway.

PSA: Being Resilient to Upgrades

Software is very birttle.
Anyone who has been using software for a long time has experienced something like this:
  1. You hear a new version of your favorite software has a nice new feature.
  2. Excited, you install the new version.
  3. You find that the new version has subtle incompatibilities with your current workflow.
  4. You are sad and downgrade to the older version.
  5. You find out that the new version has changed your files in incompatible ways that the old version cannot work with anymore.
  6. You tearfully reinstall the newer version and figure out how to get your lost productivity now that you have to adapt to a new workflow
If you are a technically-competent user, you might codify your workflow into a bunch of programs. And then you upgrade one of the external pieces of software you are using, and find that it has a subtle incompatibility with your current workflow which is based on a bunch of simple programs you wrote yourself. And if those simple programs are used as the basis of some important production system, you hve just screwed up because you upgraded software on an important production system.
And well, one of the issues with new softfork activation is that if not enough people (users and miners) upgrade to the newest Bitcoin software, the security of the new softfork rules are at risk.
Upgrading software of any kind is always a risk, and the more software you build on top of the software-being-upgraded, the greater you risk your tower of software collapsing while you change its foundations.
So if you have some complex Bitcoin-manipulating system with Bitcoin somewhere at the foundations, consider running two Bitcoin nodes:
  1. One is a "stable-version" Bitcoin node. Once it has synced, set it up to connect=x.x.x.x to the second node below (so that your ISP bandwidth is only spent on the second node). Use this node to run all your software: it's a stable version that you don't change for long periods of time. Enable txiindex, disable pruning, whatever your software needs.
  2. The other is an "always-up-to-date" Bitcoin Node. Keep its stoarge down with pruning (initially sync it off the "stable-version" node). You can't use blocksonly if your "stable-version" node needs to send transactions, but otherwise this "always-up-to-date" Bitcoin node can be kept as a low-resource node, so you can run both nodes in the same machine.
When a new Bitcoin version comes up, you just upgrade the "always-up-to-date" Bitcoin node. This protects you if a future softfork activates, you will only receive valid Bitcoin blocks and transactions. Since this node has nothing running on top of it, it is just a special peer of the "stable-version" node, any software incompatibilities with your system software do not exist.
Your "stable-version" Bitcoin node remains the same version until you are ready to actually upgrade this node and are prepared to rewrite most of the software you have running on top of it due to version compatibility problems.
When upgrading the "always-up-to-date", you can bring it down safely and then start it later. Your "stable-version" wil keep running, disconnected from the network, but otherwise still available for whatever queries. You do need some system to stop the "always-up-to-date" node if for any reason the "stable-version" goes down (otherwisee if the "always-up-to-date" advances its pruning window past what your "stable-version" has, the "stable-version" cannot sync afterwards), but if you are technically competent enough that you need to do this, you are technically competent enough to write such a trivial monitor program (EDIT: gmax notes you can adjust the pruning window by RPC commands to help with this as well).
This recommendation is from gmaxwell on IRC, by the way.
submitted by almkglor to Bitcoin [link] [comments]

Someone has been killed aboard my ship. And the murderer is still onboard. [PART 4]

Bring up the file, I clicked play. The footage began, revealing its contents inside the ventilation shafts, winding it to the ventilation in the heads. Quinton also brushed up against me, watching in anticipation, brushing up against me in surprise.
"And so it ends here," Quinton exclaimed, his eyes kept on the video, withdrawing his senior sailor issued shotgun, "I'm going to shoot that bastard."
A muffled screech, and we watched at the screen, as the ventilation panel cover popped off and was removed by a gloved hand. A skinny man crawled in, identity hidden by the gariny footage.
"Goddamit, can they not afford good cameras," an exasperated Quinton said.
"Shut up," I shot back, "I want to watch this."
"Me too, aye sir." We watched as the figure unscrewed the other shaft, as the black jacket covering his uniform twisted. Finally, one of its zippers ripped open, revealing the naval camoflauge around it.
Viktor.
That nametag was indistingushable - the Eastern European name was unmistakably him. Out of nowhere, a pistol being cocked, as its hammer sprang forward slamming the spring. We had been caught.
"So, a bit of late night espionage?" he said menacingly. I watched as Quinton slowly turned around, and using his hands, flicked the pistol to the floor, the background filled with crashing waves.
That's when a I realised that the ship arrives in port tommorow at this time. Quinton masterfully jumped up, knocking Viktor, dressed in the black jacket rammed Quinton across.
"HEY! SOMEONE!" I yelled, trying to draw and brandish my own pistol, flicking the safety switch. "I already gassed all of them. Painlessly," Viktor said unemotionally and coldly as he ran into Quinton again, knocking him to the ground.
Aiming the pistol, I squeezed the trigger. Viktor rammed Quinton, and stomped on him, keeping his boot squeezed against his stomach, before holding out a firing pin, etched with my serial number.
"I also already tampered with your pistol. You went on. Carelessly," he said as he smirked. That's when he raised his pistol, and shot Quinton. Quinton jarred, his mouth open, and fell back cracking his head on the floor. I inched back, trying desperately to press it, hoping he was fluking, as he laughed with insidious intent.
"I control this ship!" he screamed triumphantly, "and when this ship sails into port tommorow, it is I who shall be the hero! You shall be the criminal!" he continued, "And while you are renditioned to Pine Gap, and waterboarded endlessly, I shall rise up!" he boomed with a final screeching laughter, before kicking me in the face and slamming my head into the ground.
"Why? Why?" I tried to say, as my mouth started to swell.
"How well do you know me?" he started off with.
"I know you now better than I'll ever do," I groaned in pain. "Why do you think I am doing this?" he laughed. "Because you're evil," I replied with, earning me another kick, this time in the stomach sending me yelling out all sorts of obscenities.
"Do you know what you have done?" he yelled in anger, "the Australian Government has betrayed me! Forgotten me! A long time ago, I was a commando! I served in Africa, in the Middle East! And then they forgot about me! I had to find my way back! And do you know what they have given me? Nothing!"
"And so you steal a navy ship and murder 20 people," I muttered.
"I will be remembered. I will be victorious! I shall use my power to abuse the brass who had abused me 5 years ago! You read through my file! You know my abilities!"
"You're also a high school drop out," I shot back. "Intelligence... does not rely on human intelligence!" the demented madman screamed out, busy shouting in all his self glory as he cheered, "We will arrive in Cairns tommorow! You will be escorted out in handcuffs! You will admit to your crimes in front of the Port Inspector and the Naval Police!"
"What if they review the footage?" I questioned him.
"They won't," came an iron voice booming from the intercom. The voice of my very own commander - Captain Daniels.
"You never heard anything," Viktor said, as I wallowed in my defeat, "right, James?"
"I never would've taken you, out of all people, as a traitor! That's why you placed him on my cabin guard! That's why I've been thumping into him as he-"
"Yes, Commander. He has been trying to pick your locks. He's been eavesdropping, listening to you," the Captain replied calmly. I saw his face on video call, his hands obscuring the sides webcam on his computer. A thin, wiry tall man in navy whites, sitting comfortably on his office desk, earning is $40 a hour payslip, with an oblivious number of personnel working around him probably trying to solve this situation. "
Why?" I screamed at the computer, slurring my speech, unable to form words as blood started to come from my mouth. A cut flap of my tough interferred in my speech.
"Because I too, am horrified at Viktor's mistreatment. And also, I would also like to be a hundred thousand dollars richer. Has that money been transferred?" he said.
"Yes. Check your offshore for one half, and your bitcoin wallet for the other half. All 100,000 AUD worth of currency." They both began to laugh, torturing my senses. They were responsible for the death of all of my crew. And here I was, injured, basking in my hopelessness and guilt. That's when I saw Quintons boatswains pipe. Grabbing it, while they were still distracted, I made my move.
"Excuse me?"
"Hm?" he said as he looked over. I leaped, and I thrust the boatswain pipe into his hip, laughing at his screaming, before jabbing it up his nose, and releasing it as I heard his nose snapping at my force, before pushing myself off. He picked up his pistol and fired it, hitting the communications broadcaster. I ran out of the room, slamming the door, watching as he blindly fired into all of the computers, screaming in frustration, disconnecting the swearing Captain, rendering the intercoms to silence. He ran out, reloading, when I dismounted a fire extinguisher and swung it against his chest, missing his head, smashing the glass on the door.
Ripping off the tags with my already somewhat dislodged teeth, I slammed the lever and sprayed the powdery and foamy solution onto him, as he slid down the stairs and slid down the hall, slamming through the doors and into the other room. Picking up the shard of glass, I ripped off a ventilation panel cover, and breathed in as I climbed through, and slid the cover back on, listening to his howling cries of pain and determination. Inside the vent, I breathed out, and talked aloud in relative safety.
"It was time to finish this," I muttered as I began to wait in anticipation
PART 1:
https://www.reddit.com/nosleep/comments/ivmvw3/someone_has_been_killed_aboard_my_ship_and_the/
PART 2: https://www.reddit.com/nosleep/comments/iw8ncc/someone_has_been_killed_aboard_my_ship_and_the/
PART 3 - https://www.reddit.com/nosleep/comments/iwvnp9/someone_has_been_killed_aboard_my_ship_and_the/
FINALE -
https://www.reddit.com/nosleep/comments/iy6mkl/someone_has_been_killed_aboard_my_ship_and_the/
submitted by DryVespers to nosleep [link] [comments]

How I made about $250 in free Bitcoin and other crypto this month

So each month, i do a write up on how much free crypto I have made for free each month and tell you how you can do the same.

Brave Browser
First off using the Brave browser, this month I have made about $89 in bitcoin, you can see last month, I only made about $10 though i did not use the browser as much as usual.
Screenshot:
https://imgur.com/JKkt8pK
So get the Brave browser and try it out, you can at least make about $50 if you use the internet often. You can convert the BAT tokens you get into any crypto you want, they support about 30 different coins. I still decided to checkout on bitcoin, though i wish I did Chainlink before as the price is skyrocketing.
--
ZEN
Second free crypto for this month is Horizen
You can sign up and they have a facet which gives you free ZEN every day. They recently added new games you can play for more ZEN, I have accumated about $20 in ZEN this month.
So check out ZEN coin and get yours for free
---
Ledger Wallet
Third, I purchased a ledger Nano X wallet, this is a hardware wallet, if you have crypto there is no safer option, I would not use phone apps or store it on your computer.
If you are interested I would highly recommend getting it or go with Ledger backup pack wallet. This way you have your main wallet and another hardware wallet as a backup incase you lose your first one.
It comes with a free app so you can watch the price of your portfolio going up.
---
Dolla ICO
Dolla is a new coin that is hitting the exchanges soon, you can sign up and claim about 50,000 worth of free DLA coins. All you have to do is follow their social pages, then they add the DLA to your account.
Sign up and claim your free Dolla today
Screenshot proof:
https://imgur.com/DLqXbL1
--
Lastly i have been trying out some mining ETH, so i guess you could also consider this kind of free getting about $25 eth a week.
If you are into crypto and want to get started, do it for free first, you can always convert your coins into one that you want.
You can do all of this for free, so get onto it.
Some of these are affiliate links
submitted by travk534 to thesidehustle [link] [comments]

[Table] IAmA dark web expert, investigative journalist and true crime author. I’ve met dark web kingpins in far flung prisons and delved the murky depths of child predator forums. I’ve written six books and over a dozen Casefile podcast episodes. AMA (part 1/2)

Source | Guestbook
Note: Some answers were repetitive, but were not edited out.
Questions Answers
Have you ever gotten into legal trouble by exploring the dark places of the internet? Like, "sorry, officer, I was only surfing drug markets and child molester forums for my next journalism piece..." Do you worry about that? Do you have to take extra steps to protect yourself? I'm very careful not to go anywhere that it is illegal to visit. You will hear loads of stories about how easy it is to "stumble upon" child porn, but the fact is that those sites usually have names like "Preteen cuties" so you know exactly what they are, and in order to access them you have to register. So you have to make a very deliberate choice to log into them. I have no interest whatsoever in viewing any child abuse material, so I don't go into those places. When I was researching The Darkest Web, I went to the discussion forums that didn't allow any images (though they did link to sites that did), and even there I turned off images.
As for the drugs, weapons etc, there is nothing illegal about surfing them and looking around.
I do get a bit nervous every time I visit the US, especially when I was invited to a "friendly" lunch with Homeland Security once (it was reasonably friendly as it turns out, it was also terrifying)
the below is a reply to the above
Why did homeland security want to talk to you? They said it was about the murder-for-hire stuff, but some of the questions leaned toward something else
Is there anything that really concerns you about the dark web? Some of the things already discussed are beyond barbaric and that is only the stuff that has been found out about and been picked up by the media and your fantastic work. Do you think the public should expect worse and more horrific revelations from the dark web or is it just "more of the same" for lack of a better term and do you think the authorities are getting better in shutting this inhumanity down and catching the people responsible? I am definitely not against people taking back their online privacy and I actually think that buying drugs from the darknet markets is a safer and more sensible option than buying them from the dodgy dealer down the road. However the one thing that is really disturbing is that the dark web has provided a place for child predators to find each other and form communities where they support and egg each other on. Imagine a few years ago, someone who was into hurtcore could never tell anyone else and would be unlikely to ever come across another person with the same perversions. Now it is as simple as finding the relevant site on the dark web. When there are suddenly hundreds of people who all think and act in the same way, it normlalizes what they are doing.
One of the guys who got caught, Matthew Falder, was a sadist who used to crowdsource "ideas" for torturing the children and teens he was blackmailing into doing heinous things for him online. But apparently he was a "normal" intelligent popular guy
the below is a reply to the above
But how does everyone participate in those illegal sites without getting caught? You said in other comments that you tried to stay away from underaged sites because they were illegal. Can't they be tracked down, even with tor and a vpn? The thing that I don't understand is that even on the dark web people say you should stay away from illegal sites, but how are pedos not getting caught? they are getting caught, but the way they are getting caught is through painstaking detective work, looking for clues in photos, befriending them online and getting them to reveal things about themselves (what is known as social engineering). It takes a long time and many resources.
I say don't go there because (a) it is illegal and (b) you really shouldn't want to go there
Iirc you attended the trial of the person behind the horrific hurt core website that was exposed a few years back. I was wondering if there was anything in particular that happened during the trial that particularly shocked or horrified you that isn't really public knowledge or talked about? Reactions from the judge or perpetrator during the trial etc. As I remember it the guy was a fairly young loner who lived with his parents but would probably never have been expected to be behind the horrific vile things which he was found to be. Also, how did you get into investigative journalism/writing? I wrote in one of the other replies above about the little mute girl that has stayed with me. Also, at the insistence of the prosecution, the judge had to watch "Daisy's Destruction" which was a video of torture of a toddler. He put it off for two days and when he came back he was white. He didn't have the sound on, which is considered the worst part, but he still looked shell-shocked. I don't envy him.
I'll cut'n'paste re your last question: I was in London, working for one of the most conservative law firms in the world when the Global Financial Crisis hit. I liked the job but it struck me when people were losing their livelihoods that I was working for the bad guys. I'd always wanted to be a writer so when I came back to Australia I quit law and enrolled in a writing course planning to be a novelist, but I discovered I was better at journalism. I first wrote for newspapers here about Silk Road and it grew from there
the below is a reply to the above
Thanks for the reply.. that really must've been horrific for all involved from investigation to trial and for all of the victims (apart from the scum responsible of course). I guess it would be naive to assume that the end of this site did anything other than drive this depraved community even further underground. That is the part which is really scary to me but I suppose all we can do is have faith that the authorities are always close on the tail. Thank you for your work on reporting on this and raising this stuff more into the public consciousness and making people more aware of what kind of evil still lurks. It was the most disturbing two days of my life, made all the worse because they read out hours of interactions from the site where the children still had not been identified or the predators caught.
Hurt2theCore was not the last site of its kind and there are still hurtcore sites to this day on the dark web. The one hopeful thing is that there are international task forces that seem to work together really well (unlike when it comes to drugs and every law enforcement agency wants to take the lead and they all withhold info from each other). There are a lot of resources allocated to identifying predators and their victims. Sometimes this has involved some very controversial tactics, such as taking over the sites and letting them run, so that they can use social engineering techniques to identify those who are using the sites and who are actually abusing children
the below is another reply to the original answer
So daisy's destruction is real? Was it referred to by that name court? I always thought it was a myth Yes, Daisy's Destruction is real, it was referred to by name in court and the judge had to watch the 12 minutes of it that were hosted on Hurt2theCore.
The "myth" part is that it shows a murder. The toddler, Daisy, lived, though she suffered such horrific injuries she will never be able to bear children. Hopefully she was young enough that she will grow up without the memory.
However, Scully did murder at least one child, whose body was found under the floorboards of his house. it is not known whether he filmed her murder as no video evidence of it has come to light.
the below is a reply to the above
Thanks for answering. I actually watched a really good video on Hurt2theCore on youtube once, I think it was by a guy called Nexpo. It was really detailed and informative about the whole case - I forgot those details. Thanks again for replying, this AMA is really informative! I think I recall that one, it was from a few years ago.
An excellent podcast that came out recently is "Hunting Warhead", highly recommend a listen. It is a tough listen, but exceptionally well-told and respectfully handled
How do you detach yourself from your work? I'm an investigator for a law firm and I've had a lot of difficult working on wrongful death cases recently. Also, how did you first end up getting published? Any tips for people interested in that field? Thanks! I don't detach. When I was researching hurtcore, it was harrowing and affected me deeply. Writing that part of the book was a very slow process because I just couldn't be in that headspace for very long at a time. Once the book was written I didn't go back there.
I already had a reputation as a blogger and a freelance journalist when i pitched my book on Silk Road. I got an agent and it was auctioned off, with Pan MacMillan getting the rights. At the time, Silk Road was still going strong, and the book I wrote was about this new frontier of drug dealing that was changing the world. I was writing it "from the inside" as I had been an active part of the community for two years. However, right as I submitted the final manuscript to my publisher, Silk Road was busted and Ross Ulbricht arrested, so i had to quickly change the narrative to a "Rise and Fall" thing!
How many times have you approached law enforcement with information and how many times has the approach resulted in action? and... are there times where you know something nefarious is happening but history and the evidence at hand tells you it's not worth the effort? There is no point in approaching law enforcement to say "I have come across this site". If I've found it, you can guarantee law enforcement has found it as well.
The only time I've approached law enforcement was when I had information that they did not, which was when a friendly hacker provided me with a back door into the Besa Mafia murder-for-hire site. I got to see all the messages and orders etc. Of course LE knew about the site, but they did not have the details of the people who had hits taken out on them. We tried desperately to tell police in several countries that real people had paid real money to have other real people killed, but they just weren't interested. We sounded like crazy people talking about dark web hitmen, who were scams anyway and nobody was dead, so why should they be interested? They became much more engaged when one of the people WE HAD PREVIOUSLY TOLD THEM ABOUT later turned up dead
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By law enforcement, do you mean only local or else the big agencies? I feel like I wouldn't tell my local police department because they wouldn't really know what to do. It would have to the the bigger agencies. FBI in US. NCA in UK. AFP in Australia. Nobody was very interested, although the FBI did visit at least one of the targets to let her know she was a target. She still wound up dead
What are some of the most prevalent uses of the dark web that AREN'T all shady and nefarious? We might be getting into semantics here, but people use Tor, which is the most possible darknet that is used to access the dark web, just for private browsing and ensuring that commercial interests aren't following them everywhere to bombard them with ads for some thing they looked up.
Some of the news organizations have a dark web presence so that whistleblowers can upload information safely. Even the CIA has a site on the dark web so that people can anonymously tip off matters of national security.
Other than that, there are just forums, where you don't have to worry that every single stupid thing you post will be saved in posterity forever, to be trotted out years later when you run for congress or something
After everything you've seen, does anything surprise you anymore or are you just numb to it at this point? Do you think there should be more education/exposure about the dark web than there is now or would that just be counter-productive as people would just find another place to hide? I'm curious to hear any favourite stories about the Psychonauts. I am not numb and I hope I never become numb. I really don't visit the horrible dark places very often, unless I'm researching something specific, and even then I don't look at pictures or videos. Most of the crime is pretty benign - I'm not fazed by people wanting a safer way to buy drugs.
I think there needs to be ongoing discussions about online activity and its misuse in general, but most crime still happens on the clearnet. The dark web is not nearly as large or prevalent as people fear.
For a long time, a dealer provided free LSD to anyone who wanted it for personal use (ie not sale) and to any organizations who were doing psychedelic therapy.
One psychonaut got busted and spent time in prison... only he still had bitcoin in a wallet and by the time he was released he was a millionaire. He would have just spent it on drugs otherwise :)
I know law enforcement has to delve into the predator side of the dark web. With what you've seen do you think it should be mandatory or an industry standard that law enforcement officials seek professional help? I couldn't imagine investigating that daily and not thinking less of humanity at some point. I'm pretty sure they do. I worked for Legal Aid for a while, and i know there were pretty strict rules in place for the lawyers who had to defend child abusers.
When I was at the trial for Lux, owner of Hurt2theCore, I met a cop whose job it was to watch all the videos and befriend the predators in an attempt to get them to slip up and reveal something of themselves. She said she had a little filing cabinet in her brain where she put all that stuff, and that making an arrest made it all worthwhile. She had made several arrests personally. She was a sex offender's worst nightmare :)
What’s one of your personal favorite investigations and what made it unique for you? By far the Besa Mafia murder-for-hire case. What made it unique was that, first, I was provided a back door into the Besa Mafia site by a friendly hacker, so i had information that nobody else had. But then I became "friends" for want of a better word with the owner of the site, Yura. Besa Mafia, of course, was not killing anyone, but Yura made a LOT of money scamming would-be murderers out of their money. We entered into a weird relationship over the years where i would report on his activities and he would try every trick under the sun to stop me from doing so, so that he could keep scamming people. He even offered me a job, helping him, because he had become so busy. He also provided me with names and details of people who had hits taken out on them so I could pass them on to law enforcement.
It all became horribly real when one of the people who had a hit put out of them wound up dead. It wasn't Yura of course, but the guy had paid him $13K before giving up on the site and doing it himself. The thing was WE HAD TOLD THE FBI about the hit and the $13K and they visited the victim, but then put it into the too-hard basket when she couldn't think who might have paid that much to kill her.
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Wow. That’s actually pretty cool. Reminds me of an old saying. “Keep your friends close, but your enemies closer.” It's a seriously bizarre relationship. When I was hired as a consultant by CBS for a 48 Hours expose on dark web hitmen, he actually agreed to meet me in London. But he thought that CBS was going to advertise his site as the real deal and he got excited and sent them details of two people who had hits put out on them. CBS sent them straight to the police and very shortly after two arrests were made and it was all over the news, where they called his site a scam. Yura got so pissed about it, he never turned up to our meeting. They had even hired an Academy Award-nominated master of disguise makeup artist to disguise him!
are "red rooms" actually a prevalent thing, or just a widespread misconception or rumor? I ask in part because it's very easy to see, for instance, Mexican cartels dismembering people alive, etc, just on the clearnet. Hell, a couple days ago I saw a video posted of a cartel member cutting out a dude's heart while the guy was alive, and he ATE it. He fucking ATE it. So it seems plausible... The most popular myth of all is Red Rooms, where people – usually women – are tortured to death live on camera while those who have paid to watch type in torture commands in a chat box. Think the movie Hostel, with webcams. In this sense these have never been proven to exist. I get where you are coming from with the cartels, and the recent news item where they found those shipping containers set up with torture rooms freaked me out and made me wonder!
There is some truth to this rumour, but the execution is not like you see in the movies. Most notably, because it involves children, not adults abused on demand for paying pedophiles, but not to the point of death
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The news about those shipping containers really made me speculate, since for every one person who gets caught doing something evil, there must be at least several more people who are very honed in their 'profession' doing the same evil deeds and worse, yet who evade being captured for decades. Anyway, based on morbid things I've seen, karma comes around eventually... I know, right? It really freaked me out, and then when I read that they already had intended victims for them but the police got to them first and put them in protected custody.. IMAGINE SEEING THOSE PICTURES AND KNOWING YOU WERE SUPPOSED TO BE IN THEM!! I would retire to a deserted island somewhere
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Your line of work could easily result in something like C-PTSD down the road a little ways. I have a morbid curiosity, and have seen worse than those shipping containers had to offer. I'm sure you have as well. So one more question from you, if you don't mind: what are some proactive approaches to mental health you take to safeguard your sanity? A lot of wine. Cuddle my dog
Hi, there! This has been fascinating to read; thank you so much for sharing! I'm curious: why do you think so many people who don't want to engage with disgusting and illegal content like hurtcore find it so interesting to read about? Do you have any insight into your readership and the ethics associated with reading about these kind of topics? I think morbid fascination with the dark is exceedingly common - just look at how many people can't get enough about serial killers! In some ways it is probably a self-defense mechanism - the vast majority of true-crime readers are women. People like to be armed with knowledge. We also like to be spooked and scared.
As for my books, I don't really go into much gory detail, but the horror still shines through
Out of all 9-5 jobs out there, why this? What’s your motive? I got disenchanted by being a lawyer and I had wanted to be an author since childhood. The lawyering put me in a strong enough financial position that I could quit to do a uni course for a couple of years. My plan was to become a best-selling novelist, but my first chick-lit novel was nothing special. However, during the course, I found I did really well at journalism and was soon making a living as a freelance journo before I finished the course. My first major feature was on the Silk Road drugs market, which I had discovered thanks to a friend who was using it. Once I got in there I became fascinated by everything about it and started contacting the owner, users, vendors etc asking for stories (I was upfront about who I was). I began the first serious dark web blog - allthingsvice.com - and also became the go-to freelancer for Australian dark web stories. Then I pitched my first book and got a healthy advance for it.
I like working for myself, working from home and delving into things. Right now I have my dream job (though it wouldn't hurt to pay a bit more. I'm certainly not making anywhere near what I used to make lawyering, but I make enough to get by and I live pretty simply)
Did you ever do any writing on Brian Farrell and his role in Silk Road 2.0? I was Brian's cellmate for all of 2017 at Sheridan Federal Prison and heard all of his crazy stories. Was just curious as to the validity of them all. DoctorClu! I did write briefly about him in Silk Road, but it wasn't all positive. I remember being frustrated by the shitshow that was Silk Road 2.0 in the beginning, right after SR1 shut and when DPR2 took off and Defcon got all dramatic. It settled down after a bit and lasted a year, when it was revealed THEY HAD A FUCKING UNDERCOVER HOMELAND SECURITY OFFICER ON STAFF THE WHOLE TIME. But yeah, anyhow, they are probably true. I'd love to hear them :)
Was there ever something on the dark web that made you surprised ( in a good way) and smile ? So many things. Back in the day of the original Silk Road, I became obsessed with the forums, the people behind it, the intelligent discourse about the War on Drugs and philosophy. I found it amusing that drug dealers ran sales and giveaways. There were book clubs and movie clubs.
One of the most important people from that era was Dr Fernando Cauevilla, who became a member of Silk Road as "DoctorX". He was a real doctor who provided genuine, free, non-judgmental advice about drug use to the members of the site. It was quite an amazing time.
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Did Ulbricht get taken down the way we were told in the news? What happened to all the Bitcoins? His arrest went down the way we were told in the news. How they located the server has never been disclosed (other than a fanciful explanation that NOBODY could believe). This explanation may be tested if Variety Jones runs a Fourth Amendment argument at his trial
The bitcoin in the wallet on Ross' computer was auctioned off by the Feds. He may have other bitcoin wallets stashed somewhere but nobody knows
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Book/movie clubs on the silk road? Yeah, they would set reading and then everyone would come back and discuss the book, or they would have a time when everyone watched the same movie at the same time and chatted about it in real time
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Haha that's amazing! I don't suppose you remember any of the books in question? They used to be a lot of philosophy books, especially on agorism. A Lodging of Wayfaring Men was one of the books. I remember V for Vendetta on a movie night
You don't seem to be pushing your most recent project and you're actually answering all the questions people ask, so I've got ask...are you some sort of government plant meant to destabilize reddit? This isn't how AMAs are supposed to work. You come in, you half ass a few questions, hawk whatever you're here to hawk, and then leave after 20 minutes. That's how it's done. lol I'm a genuine redditor from way back, and I love talking about the stuff I do. I did find that after I answered a question in an AskReddit thread a while back that blew up, the sales followed. But that was organic and I don't think you can force it to happen - Reddit can spot that a mile awy
What are some of the best things about the dark web? And can anyone get on it? Things you can buy that you can’t buy normally online? I really enjoy some of the forums, especially the psychonaut forums where people who like to trip on psychedelics get together and talk drugs and philosophy. There's a real "be kind to one another" vibe.
Getting on the dark web is easy, but not getting scammed when buying things takes a lot of homework. Yes, you can buy most things, but the most popular things are drugs and digital goods, i.e. things that depend on repeat custom and are easily transferable from seller to buyer
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[deleted] You're doing the Good Work my man. I'd give you one of those awards if i knew how
What would you define the word "Safe" when it come to the internet (both www and dark web) world and are there any tips that I should follow to keep myself safe? It really depends on what YOU mean by safe. Tor, which is the darknet that provides access to the dark web will keep you safe from prying eyes and surveillance.
If you mean keep your information safe, the old-fashioned advice is to never reuse your password and to enable 2-Factor authentication wherever you can. Your information is quite likely somewhere on the dark web thanks to high-profile hacks of major organizations, but provided you don't re-use usernames and passwords, you really don't have to worry too much about it.
If you mean keeping yourself and/or any kid safe from predators, the only thing is to ensure you are educated about the approaches and methods they use.
Has Covid affected the Dark Web in any real way? Also I just read through all of the post comments, what incredible story’s. I would totally buy a book about the Silk Road or Yaru! re covid on the dark web, here's some notes I made for an interview I did recently:
* when Trump first hyped hydroxychloroquine as a potential miracle cure for COVID-19, drug dealers on the dark web seized on the claim.
* Listings quickly popped up on the most popular darknet markets
* A vendor on Whitehouse Market sells 100 Pills for $90, calling it a “Miracle Drug For Coronavirus” and suggesting buyers purchase in bulk to sell at a mark-up locally.
* Another makes the dubious claim “This drug will help people to beat Corona Virus” There are 11 listings on Empire Market currently, although more than half are from the one seller, who is a well-known and trusted vendor on the site.
* There were also people claiming to be selling infected blood or plasma of recovered COVID victims
* The infected blood stuff is just bullshit IMO Just because something is listed doesn’t mean it is genuinely for sale
* There's been some claims to be selling vaccines
* At the beginning there were also loads of listings for PPE
* some just used it as a marketing tactic - “fight off the virus with edible cannabis” or “relax with Xanax” and others as an excuse to raise their prices
* However, sales are low compared to sales of other drugs on the site, so it is difficult to say whether it’s something that will really catch on
* It didn’t take long for complaints to come in and market owners to clamp down on anything claiming to be a miracle cure or vaccine
* users were discouraging other users from profiting off the pandemic and requested markets provide health and safety information
* All the major markets forbid anything being sold as a cure for COVID. They flagged keywords and vendors would be told to take any listings down. They also put out PSAs telling people not to buy
* Monopoly: threatened to ban and.. “You are about to ingest drugs from a stranger on the internet - under no circumstances should you trust any vendor that is using COVID-19 as a marketing tool to peddle already questionable goods”
* It was a business decision. They don’t want anything that will attract attention or that might cause desperate people who wouldn’t normally use the DNMs to find their way there
* The idea behind DNMs generally is educated and responsible drug use. They really don’t want people dying - bad publicity and no repeat custom
* However the dark web is rife with scammers and people willing to prey on the desperate so there are still scams out there
* The only way I could ever see it becoming a thing is if there is a well-known potential cure/vaccine that is not being made widely available and could plausibly find its way onto the black market
Hi Eileen :) My question is about how you construct your Casefile episodes - I assume there is an extensive amount of outlining but do you write the final draft like a script specifically thinking about his voice? And about how long are they as far as - for example - does one hour equal 50-60 pages? Thank you. I initially write them as if I'm writing an article or book, but then go back and edit them to be read out and yes, when I do that, I do have his voice in my head lol. One episode is usually around 12,000 words. It then goes to another editor who edits the episode to be even more "casefileaa' before it finally goes to Casey
Have you been exposed to things in your investigations that have made you second-guess what you do? If so, what has made you keep going back? i've definitely had days where I question everything, but to be honest, I don't really hang around the horrible really dark places much. I did delve into the child predator forums when I was writing The Darkest Web, but I don't make it a habit to go there. The psychonauts are much more friendly
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To continue with that- have you clicked images, links that make you a suspect in certain scenarios? Oh absolutely. Sometimes I go to a "Fresh Onion" site, which is a site that crawls all the .onion addresses (dark web URLs end in .onion rather than .com, org etc) and alerts you to any new ones. Sometimes they don't have any description, so you take a big risk clicking on any of those. The most dangerous button on the dark web is the "Random Onion" button, so I avoid that.
I'm pretty careful about what I click, but the moment something looks questionable I nope the fuck right out of there
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Have you ever felt that you may be a suspect whether it be ok a drug site, a pedo site, etc. Have you ever been contacted by someone regarding your surfing habits? Well my actual surfing habits are protected by Tor, which means they are hidden from prying eyes, so no I haven't been contacted about them. I am very open on the dark web about who I am and what I'm doing there - I use the name OzFreelancer on all of the markets and forums. I don't go to the sites that host child abuse images - you can't un-see that shit and I don't need it in my head.
As noted in another reply, I was contacted by Homeland Security on one of my visits to the US and taken for a "friendly" lunch.
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Psychonauts are more friendly than most people. Something about regular mind altering experiences makes you want to be less of a cunt. Yeah, I call The Majestic Garden a little corner of sunshine and rainbows on the dark web :)
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More about The Majestic Garden please? What is grown there? It's a place where people talk about and source psychedelics - most notably LSD, the 2C family, DMT and MDMA. Talk about and sourcing harder drugs is forbidden. In fact the admins snuck in an autocorrect so that any time someone wrote the word "cocaine" it would post as "a raging hardon" :D
Do you fear that seeing all this stuff might turn you emotionally blunt? I'm not watching any of this stuff on purpose (even the clearnet stuff), because I fear that the more you see of it, the more normal it gets, and ultimately, the more it will fuck you up. To quote the movie 8mm... "If you dance with the devil, the devil don't change. The devil changes you." No, I can't even watch "3 Guys 1 Hammer" in its entirety, let alone look at the really dark materials on the dark web. When I was researching The Darkest Web, going into the predator forums did the opposite of making me blunt. It was the shortest section of the book but took the longest to write because it was so emotionally draining
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I have to ask, what is "3 Guys 1 Hammer"? It's a video of two teenagers murdering an innocent man with a hammer that went viral on the gore sites of the regular internet. It's truly horrible.
The teens killed over 20 people. I wrote about them in my book Psycho.com (excuse the plug)
I heard somewhere that you foster dogs. Is that something you do to counter all the terrible humans you encounter in your research - everyone knows how dogs are better than people. How many dogs have you fostered and which one was your favourite? After my dog died I knew I didn't want to have another dog as I wanted to travel more. So I thought fostering dogs would be the answer as you give them love for a few weeks and then they go to their forever home. My first foster, Roy, was a big fat failure and now he lives here and sleeps in our bed and is the most spoiled dog alive
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Did you then just decide to quit travelling? I don't know anything about Roy, but I already think I love him. Nah, he has family he can stay with when I go away, but any major travelling has been thwarted by COVID for now anyway. I'm in a hard lockdown city.
And I'm sure Roy would love you too, u/suckmyhugedong
Given how much you know about the dark web, what kind of crazy awful nightmares have you had? This could be a really good one. Thank you Probably the worst thing was delving into the forums where child predators gathered. I never looked at any videos or photos, but just seeing their discussions sickened me. The one thing that keeps coming back to me came out of the sentencing hearing that I attended of Lux, owner of Hurt2theCore, considered the most heinous website in history. In court they read out a conversation between him and an abuser who made videos of torture of the mute disabled child in his care. They were joking "at least she won't be able to tell anyone" . the abuser wasn't caught, at least by that stage
As an indie author, how have you sourced freelancers? Did you seek out those that have specific expertise or did you work with editors from your time as a traditionally published author? I learned to do everything myself before I started outsourcing.
I work with a professional editor who happens to be a friend of mine from back when we did a writing course together. I've been doing my own covers, but now that I have some royalties coming in, I've engaged a professional cover artist from Reedsy to develop a brand and more professional-looking covers for me. It is the hardest thing to find people you really want to work with and who are in budget.
I still haven't got the hang of email lists, newsletters or a website - they are all in a total mess at the moment and I'd love to find someone who can do them, but again it is that problem of finding the right person who is within budget
is it true that most of the internet is in the "dark web"? if so about how much percent is it? By far the biggest myth is that it 10x larger than the Internet. I mean, this should be common sense anyway, but it gets propagated by tabloid media all the time. It stems a lot from people using the terms "deep web" and "dark web" interchangably when they are different things.
The statement that 90% (or thereabouts) of the internet is hidden is true, and it is called the deep web (not the dark web). The 90% that is hidden is all those pages you won’t get to using google or any other search engines. There’s nothing scary about that – in fact it works in your favour.
The easiest example is your bank. The bank’s major page is available to anyone who searches the web (part of the 10%, also known as the “clearweb”). But once you log in, all those pages you can access that contain your personal details? Not searchable on google. Each one of those pages is part of the 90% of the deep web. Business and government intranets also make up part of the deep web. Honestly, it’s nothing to worry about.
The dark web – the hidden services available through Tor and other anonymising programs – makes up a tiny fraction of the deep web. A really, really tiny fraction. It is infinitely smaller than the clearweb.
Do you think human trafficking happens on the dark web? Last year (I think) there was a really bizarre story here in the UK about a model who was supposedly kidnapped to order, drugged and transported overseas by a group called "Black Death". The official story is that BD doesn't exist, and the kidnapper was a fantasist. Is it likely that humans are bought and sold into slavery over the dark web? There are no slick websites with auctions for slaves on the dark web, but I have no doubt that human traffickers use dark web encryption to communicate.
(here comes the second plug for the thread) - I wrote about the kidnap of Chloe Ayling and the Black Death Group in Murder on the Dark Web
What ever happened to the plural of mongoose storyline? it seems like after he was arrested in the united states, his case just fizzled away. did you ever find out any more information about yuri after he cancelled the interview with a news program? what happened with peter scully's case? i read that there was a fire where a lot of evidence against him was held and it all went up in smoke. are there any character and/or personality storylines that you feel haven't been told or are still a complete mystery? eg. tony76 1. He is still in the MCC in NY and awaiting trial. It has taken a long time because he had terrabytes of information to go through and things would have slowed down due to covid. I understand he is running the Fouth Amendment argument that Ulbricht probably should have run in the first place
2. I last heard from Yura just a few weeks ago. He is still scamming. There are some more programs in the works about him
3. Yes there was a very convenient fire, but he still got sentenced to life and i hope he rots in hell
4. I am madly curious to know what is happening with the extradition of James Ellingson, aka “MarijuanaIsMyMuse”, aka "redandwhite", MAYBE aka Tony76. I would LOVE to know that full story!
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Wow, this shit is a blast from the past. I used to love following the darknetmarket drama. Did you write about PoM and tony76 in one of your books? Ever since reddit shut down /darknetmarket I've been out of the loop. Yes, I wrote about them in The Darkest Web
I was in touch with PoM/Mongoose when he went on a posting rampage on MyPlanetGanja, then visited him in Bangkok prison several times. Wrote all about it :)
This may have been answered by a previous post pertaining to native language barriers to specific sites on the dark web, but in your investigations, did you come across content/pages/forums from warzones? Middle East, Burma, Afghanistan, etc? If yes, what was the most memorable bit? There are loads of sites in foreign languages, but it is too difficult for me (a one-language numpty) to attempt to translate through AI, and it is not worth hiring a translator when they could just turn out to be Cat Facts
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Cryptocurrency Staking As It Stands Today

Cryptocurrency Staking As It Stands Today
Everyone and his grandma know what cryptocurrency mining is. Well, they may not indeed know what it actually is, in technical terms, but they have definitely heard the phrase as it is hard to miss the news about mining sucking in energy like a black hole gobbles up matter. On the other hand, staking, its little bro, has mostly been hiding in the shadows until recently.
by StealthEX
Today, with DeFi making breaking news across the cryptoverse, staking has become a new buzzword in the blockchain space and beyond, along with the fresh entries to the crypto asset investor’s vocabulary such as “yield farming”, “rug pull”, “total value locked”, and similar arcane stuff. If you are not scared off yet, then read on. Though we can’t promise you won’t be.

Cryptocurrency staking, little brother of crypto mining

There are two conceptually different approaches to achieving consensus in a distributed network, which comes down to transaction validation in the case of a cryptocurrency blockchain. You are most certainly aware of cryptocurrency mining, which is used with cryptocurrencies based on the Proof-of-Work (PoW) consensus algorithm such as Bitcoin and Ether (so far). Here miners compete against each other with their computational resources for finding the next block on the blockchain and getting a reward.
Another approach, known as the Proof-of-Stake (PoS) consensus mechanism, is based not on the race among computational resources as is the case with PoW, but on the competition of balances, or stakes. In simple words, every holder of at least one stake, a minimally sufficient amount of crypto, can actively participate in creating blocks and thus also earn rewards under such network consensus model. This process came to be known as staking, and it can be loosely thought of as mining in the PoS environment.
With that established, let’s now see why, after so many years of what comes pretty close to oblivion, it has turned into such a big thing.

Why has staking become so popular, all of a sudden?

The renewed popularity of staking came with the explosive expansion of decentralized finance, or DeFi for short. Essentially, staking is one of the ways to tap into the booming DeFi market, allowing users to earn staking rewards on a class of digital assets that DeFi provides easy access to. Technically, it is more correct to speak of DeFi staking as a new development of an old concept that enjoys its second coming today, or new birth if you please. So what’s the point?
With old-school cryptocurrency staking, you would have to manually set up and run a validating node on a cryptocurrency network that uses a PoS consensus algo, having to keep in mind all the gory details of a specific protocol so as not to shoot yourself in the foot. This is where you should have already started to enjoy jitters if you were to take this avenu entirely on your own. Just think of it as having to run a Bitcoin mining rig for some pocket money. Put simply, DeFi staking frees you from all that hassle.
At this point, let’s recall what decentralized finance is and what it strives to achieve. In broad terms, DeFi aims at offering the same products and services available today in the traditional financial world, but in a trutless and decentralized way. From this perspective, DeFi staking reseblems conventional banking where people put their money in savings accounts to earn interest. Indeed, you could try to lend out your shekels all by yourself, with varying degrees of success, but banks make it far more convenient and secure.
The maturation of the DeFi space advanced the emergence of staking pools and Staking-as-a-Service (SaaS) providers that run nodes for PoS cryptocurrencies on your behalf, allowing you to stake your coins and receive staking rewards. In today’s world, interest rates on traditional savings accounts are ridiculous, while government spending, a handy euphemism for relentless money printing aka fiscal stimulus, is already translating into runaway inflation. Against this backdrop, it is easy to see why staking has been on the rise.

Okay, what are my investment options?

Now that we have gone through the basics of the state-of-the-art cryptocurrency staking, you may ask what are the options actually available for a common crypto enthusiast to earn from it? Many high-caliber exchanges like Binance or Bitfinex as well as online wallets such as Coinbase offer staking of PoS coins. In most cases, you don’t even need to do anything aside from simply holding your coins there to start receiving rewards as long as you are eligible and meet the requirements. This is called exchange staking.
Further, there are platforms that specialize in staking digital assets. These are known as Staking-as-a-Service providers, while this form of staking is often referred to as soft staking. They enable even non-tech savvy customers to stake their PoS assets through a third party service, with all the technical stuff handled by the service provider. Most of these services are custodial, with the implication being that you no longer control your coins after you stake them. Figment Networks, MyContainer, Stake Capital are easily the most recognized among SaaS providers.
However, while exchange staking and soft staking have everything to do with finance, they have little to nothing to do with the decentralized part of it, which is, for the record, the primary value proposition of the entire DeFi ecosystem. The point is, you have to deposit the stakable coins into your wallet with these services. And how can it then be considered decentralized? Nah, because DeFi is all about going trustless, no third parties, and, in a narrow sense, no staking that entails the transfer of private keys. This form of staking is called non-custodial, and it is of particular interest from the DeFi point of view.
If you read our article about DeFi, you already know how it is possible, so we won’t dwell on this (if, on the off chance, you didn’t, it’s time to catch up). As DeFi continues to evolve, platforms that allow trustless staking with which you maintain full custody of your coins are set to emerge as well. The space is relatively new, with Staked being probably the first in the field. This type of staking allows you to remain in complete control of your funds, and it perfectly matches DeFi’s ethos, goals and ideals.
Still, our story wouldn’t be complete if we didn’t mention utility tokens where staking may serve a whole range of purposes other than supporting the token network or obtaining passive income. For example, with platforms that deploy blockchain oracles such as Nexus Mutual, a decentralized insurance platform, staking tokens is necessary for encouraging correct reporting on certain events or reaching a consensus on a specific claim. In the case of Nexus Mutual, its membership token NXM is used by the token holders, the so-called assessors, for validating insurance claims. If they fail to assess claims correctly, their stakes are burned.
Another example is Particl Marketplace, a decentralized eCommerce platform, which designed a standalone cryptocurrency dubbed PART. It can be used both as a cryptocurrency in its own right outside the marketplace and as a stakable utility token giving stakers voting rights facilitating the decentralized governance of the entire platform. Yet another example is the instant non-custodial cryptocurrency exchange service, ChangeNOW, that also recently came up with its stakable token, NOW Token, to be used as an internal currency and a means of earning passive income.

What’s next?

Nowadays, with most economies on pause or going downhill, staking has become a new avenue for generating passive income outside the traditional financial system. As DeFi continues to eat away at services previously being exclusively provided by conventional financial and banking sectors, we should expect more people to get involved in this activity along with more businesses dipping their toes into these uncharted waters.
Achieving network consensus, establishing decentralized governance, and earning passive income are only three use cases for cryptocurrency staking. No matter how important they are, and they certainly are, there are many other uses along different dimensions that staking can be quite helpful and instrumental for. Again, we are mostly in uncharted waters here, and we can’t reliably say what the future holds for us. On the other hand, we can go and invent it. This should count as next.
And remember if you need to exchange your coins StealthEX is here for you. We provide a selection of more than 250 coins and constantly updating the list so that our customers will find a suitable option. Our service does not require registration and allows you to remain anonymous. Why don’t you check it out? Just go to StealthEX and follow these easy steps:
✔ Choose the pair and the amount for your exchange. For example ETH to BTC.
✔ Press the “Start exchange” button.
✔ Provide the recipient address to which the coins will be transferred.
✔ Move your cryptocurrency for the exchange.
✔ Receive your coins!
The views and opinions expressed here are solely those of the author. Every investment and trading move involves risk. You should conduct your own research when making a decision.
Original article was posted on https://stealthex.io/blog/2020/09/08/cryptocurrency-staking-as-it-stands-today/
submitted by Stealthex_io to StealthEX [link] [comments]

Bitcoin vs. Credit Card Transactions: What's the Difference?

Bitcoin vs. Credit Card Transactions: An Overview

Most people have a credit card they can use to pay for things. But some also have bitcoin at their disposal. Which one should people use, and when, to maximize their assets?

Bitcoin Transactions

Satoshi Nakamoto, the inventor of bitcoin, titled his original white paper on the subject "A Peer-to-Peer Electronic Cash System." This description touches on the core differences between bitcoin and credit card transactions.
Bitcoin payments are analogous to wire transfers or cash transactions, where payment is "pushed" directly from one party to another, without going through another financial institution. Payment processing is executed through a private network of computers, and each transaction is recorded in a blockchain, which is public. Bitcoin is based on peer-to-peer technology and relies on the blockchain and the cryptography securing it, without any third-party oversight.
When making a bitcoin transaction, it is not necessary to provide personal identification, such as your name and address.

Credit Card Transactions

By contrast, credit card transactions entail the buyer effectively authorizing the seller to "pull" a payment from their account, passing through financial intermediaries in the process. For example, a typical Visa transaction involves four parties: the merchant, the acquirer (the financial institution that enables payments to the merchant), the issuer (the cardholder's bank), and the individual cardholder.

Key Differences

Bitcoin transactions are made using an anonymous alphanumeric address, that changes with every transaction, and a private key. Payments can also be made on mobile devices by using quick response (QR) codes.
While credits cards are stored physically in a wallet, bitcoin transactions are sent to and from electronic wallets, which can be stored on your computer, smartphone, or in the cloud.
Bitcoin transactions are irreversible and can only be refunded by the receiving party—a key difference from credit card transactions that can be canceled. This means there are no charge-backs for merchants when taking payment via bitcoin. A charge-back is the demand by a credit-card provider for a retailer to cover the loss on a fraudulent or disputed transaction.
Bitcoin merchants also save on credit card fees that can range anywhere from 0.5% to 5%, plus a 20 to 30 cent flat fee for each transaction made. Bitcoin payments can be sent and received at a very low cost or none at all, as bitcoin fees are based on the amount of data sent.
For merchants, the advantages of receiving bitcoin are obvious. Payments made using the virtual currency save substantially on processing fees and eliminate the risk of charge-backs. For shoppers, the advantages of paying with bitcoin include greater simplicity in placing the transaction, user anonymity, no interruptions from intermediaries, and very low transaction fees. (For example, your account being frozen as a result of a fraud alert).
Credit cards offer important beneficial features, such as the ability to borrow money, protection against fraud, reward points, and vastly wider acceptance among merchants. While a few major retailers, including Overstock.com (OSTK) and Newegg, have started to accept bitcoin, most have yet to make it a payment option. However, using credit cards carries the risk of incurring late fees, interest charges, foreign transaction fees, and potentially adverse effects on your credit score.
submitted by FormerSuggestion8 to Bitcoin [link] [comments]

Scaling Reddit Community Points with Arbitrum Rollup: a piece of cake

Scaling Reddit Community Points with Arbitrum Rollup: a piece of cake
https://preview.redd.it/b80c05tnb9e51.jpg?width=2550&format=pjpg&auto=webp&s=850282c1a3962466ed44f73886dae1c8872d0f31
Submitted for consideration to The Great Reddit Scaling Bake-Off
Baked by the pastry chefs at Offchain Labs
Please send questions or comments to [[email protected] ](mailto:[email protected])
1. Overview
We're excited to submit Arbitrum Rollup for consideration to The Great Reddit Scaling Bake-Off. Arbitrum Rollup is the only Ethereum scaling solution that supports arbitrary smart contracts without compromising on Ethereum's security or adding points of centralization. For Reddit, this means that Arbitrum can not only scale the minting and transfer of Community Points, but it can foster a creative ecosystem built around Reddit Community Points enabling points to be used in a wide variety of third party applications. That's right -- you can have your cake and eat it too!
Arbitrum Rollup isn't just Ethereum-style. Its Layer 2 transactions are byte-for-byte identical to Ethereum, which means Ethereum users can continue to use their existing addresses and wallets, and Ethereum developers can continue to use their favorite toolchains and development environments out-of-the-box with Arbitrum. Coupling Arbitrum’s tooling-compatibility with its trustless asset interoperability, Reddit not only can scale but can onboard the entire Ethereum community at no cost by giving them the same experience they already know and love (well, certainly know).
To benchmark how Arbitrum can scale Reddit Community Points, we launched the Reddit contracts on an Arbitrum Rollup chain. Since Arbitrum provides full Solidity support, we didn't have to rewrite the Reddit contracts or try to mimic their functionality using an unfamiliar paradigm. Nope, none of that. We launched the Reddit contracts unmodified on Arbitrum Rollup complete with support for minting and distributing points. Like every Arbitrum Rollup chain, the chain included a bridge interface in which users can transfer Community Points or any other asset between the L1 and L2 chains. Arbitrum Rollup chains also support dynamic contract loading, which would allow third-party developers to launch custom ecosystem apps that integrate with Community Points on the very same chain that runs the Reddit contracts.
1.1 Why Ethereum
Perhaps the most exciting benefit of distributing Community Points using a blockchain is the ability to seamlessly port points to other applications and use them in a wide variety of contexts. Applications may include simple transfers such as a restaurant that allows Redditors to spend points on drinks. Or it may include complex smart contracts -- such as placing Community Points as a wager for a multiparty game or as collateral in a financial contract.
The common denominator between all of the fun uses of Reddit points is that it needs a thriving ecosystem of both users and developers, and the Ethereum blockchain is perhaps the only smart contract platform with significant adoption today. While many Layer 1 blockchains boast lower cost or higher throughput than the Ethereum blockchain, more often than not, these attributes mask the reality of little usage, weaker security, or both.
Perhaps another platform with significant usage will rise in the future. But today, Ethereum captures the mindshare of the blockchain community, and for Community Points to provide the most utility, the Ethereum blockchain is the natural choice.
1.2 Why Arbitrum
While Ethereum's ecosystem is unmatched, the reality is that fees are high and capacity is too low to support the scale of Reddit Community Points. Enter Arbitrum. Arbitrum Rollup provides all of the ecosystem benefits of Ethereum, but with orders of magnitude more capacity and at a fraction of the cost of native Ethereum smart contracts. And most of all, we don't change the experience from users. They continue to use the same wallets, addresses, languages, and tools.
Arbitrum Rollup is not the only solution that can scale payments, but it is the only developed solution that can scale both payments and arbitrary smart contracts trustlessly, which means that third party users can build highly scalable add-on apps that can be used without withdrawing money from the Rollup chain. If you believe that Reddit users will want to use their Community Points in smart contracts--and we believe they will--then it makes the most sense to choose a single scaling solution that can support the entire ecosystem, eliminating friction for users.
We view being able to run smart contracts in the same scaling solution as fundamentally critical since if there's significant demand in running smart contracts from Reddit's ecosystem, this would be a load on Ethereum and would itself require a scaling solution. Moreover, having different scaling solutions for the minting/distribution/spending of points and for third party apps would be burdensome for users as they'd have to constantly shuffle their Points back and forth.
2. Arbitrum at a glance
Arbitrum Rollup has a unique value proposition as it offers a combination of features that no other scaling solution achieves. Here we highlight its core attributes.
Decentralized. Arbitrum Rollup is as decentralized as Ethereum. Unlike some other Layer 2 scaling projects, Arbitrum Rollup doesn't have any centralized components or centralized operators who can censor users or delay transactions. Even in non-custodial systems, centralized components provide a risk as the operators are generally incentivized to increase their profit by extracting rent from users often in ways that severely degrade user experience. Even if centralized operators are altruistic, centralized components are subject to hacking, coercion, and potential liability.
Massive Scaling. Arbitrum achieves order of magnitude scaling over Ethereum's L1 smart contracts. Our software currently supports 453 transactions-per-second for basic transactions (at 1616 Ethereum gas per tx). We have a lot of room left to optimize (e.g. aggregating signatures), and over the next several months capacity will increase significantly. As described in detail below, Arbitrum can easily support and surpass Reddit's anticipated initial load, and its capacity will continue to improve as Reddit's capacity needs grow.
Low cost. The cost of running Arbitrum Rollup is quite low compared to L1 Ethereum and other scaling solutions such as those based on zero-knowledge proofs. Layer 2 fees are low, fixed, and predictable and should not be overly burdensome for Reddit to cover. Nobody needs to use special equipment or high-end machines. Arbitrum requires validators, which is a permissionless role that can be run on any reasonable on-line machine. Although anybody can act as a validator, in order to protect against a “tragedy of the commons” and make sure reputable validators are participating, we support a notion of “invited validators” that are compensated for their costs. In general, users pay (low) fees to cover the invited validators’ costs, but we imagine that Reddit may cover this cost for its users. See more on the costs and validator options below.
Ethereum Developer Experience. Not only does Arbitrum support EVM smart contracts, but the developer experience is identical to that of L1 Ethereum contracts and fully compatible with Ethereum tooling. Developers can port existing Solidity apps or write new ones using their favorite and familiar toolchains (e.g. Truffle, Buidler). There are no new languages or coding paradigms to learn.
Ethereum wallet compatibility. Just as in Ethereum, Arbitrum users need only hold keys, but do not have to store any coin history or additional data to protect or access their funds. Since Arbitrum transactions are semantically identical to Ethereum L1 transactions, existing Ethereum users can use their existing Ethereum keys with their existing wallet software such as Metamask.
Token interoperability. Users can easily transfer their ETH, ERC-20 and ERC-721 tokens between Ethereum and the Arbitrum Rollup chain. As we explain in detail below, it is possible to mint tokens in L2 that can subsequently be withdrawn and recognized by the L1 token contract.
Fast finality. Transactions complete with the same finality time as Ethereum L1 (and it's possible to get faster finality guarantees by trading away trust assumptions; see the Arbitrum Rollup whitepaper for details).
Non-custodial. Arbitrum Rollup is a non-custodial scaling solution, so users control their funds/points and neither Reddit nor anyone else can ever access or revoke points held by users.
Censorship Resistant. Since it's completely decentralized, and the Arbitrum protocol guarantees progress trustlessly, Arbitrum Rollup is just as censorship-proof as Ethereum.
Block explorer. The Arbitrum Rollup block explorer allows users to view and analyze transactions on the Rollup chain.
Limitations
Although this is a bake-off, we're not going to sugar coat anything. Arbitrum Rollup, like any Optimistic Rollup protocol, does have one limitation, and that's the delay on withdrawals.
As for the concrete length of the delay, we've done a good deal of internal modeling and have blogged about this as well. Our current modeling suggests a 3-hour delay is sufficient (but as discussed in the linked post there is a tradeoff space between the length of the challenge period and the size of the validators’ deposit).
Note that this doesn't mean that the chain is delayed for three hours. Arbitrum Rollup supports pipelining of execution, which means that validators can keep building new states even while previous ones are “in the pipeline” for confirmation. As the challenge delays expire for each update, a new state will be confirmed (read more about this here).
So activity and progress on the chain are not delayed by the challenge period. The only thing that's delayed is the consummation of withdrawals. Recall though that any single honest validator knows immediately (at the speed of L1 finality) which state updates are correct and can guarantee that they will eventually be confirmed, so once a valid withdrawal has been requested on-chain, every honest party knows that the withdrawal will definitely happen. There's a natural place here for a liquidity market in which a validator (or someone who trusts a validator) can provide withdrawal loans for a small interest fee. This is a no-risk business for them as they know which withdrawals will be confirmed (and can force their confirmation trustlessly no matter what anyone else does) but are just waiting for on-chain finality.
3. The recipe: How Arbitrum Rollup works
For a description of the technical components of Arbitrum Rollup and how they interact to create a highly scalable protocol with a developer experience that is identical to Ethereum, please refer to the following documents:
Arbitrum Rollup Whitepaper
Arbitrum academic paper (describes a previous version of Arbitrum)
4. Developer docs and APIs
For full details about how to set up and interact with an Arbitrum Rollup chain or validator, please refer to our developer docs, which can be found at https://developer.offchainlabs.com/.
Note that the Arbitrum version described on that site is older and will soon be replaced by the version we are entering in Reddit Bake-Off, which is still undergoing internal testing before public release.
5. Who are the validators?
As with any Layer 2 protocol, advancing the protocol correctly requires at least one validator (sometimes called block producers) that is honest and available. A natural question is: who are the validators?
Recall that the validator set for an Arbitrum chain is open and permissionless; anyone can start or stop validating at will. (A useful analogy is to full nodes on an L1 chain.) But we understand that even though anyone can participate, Reddit may want to guarantee that highly reputable nodes are validating their chain. Reddit may choose to validate the chain themselves and/or hire third-party validators.To this end, we have begun building a marketplace for validator-for-hire services so that dapp developers can outsource validation services to reputable nodes with high up-time. We've announced a partnership in which Chainlink nodes will provide Arbitrum validation services, and we expect to announce more partnerships shortly with other blockchain infrastructure providers.
Although there is no requirement that validators are paid, Arbitrum’s economic model tracks validators’ costs (e.g. amount of computation and storage) and can charge small fees on user transactions, using a gas-type system, to cover those costs. Alternatively, a single party such as Reddit can agree to cover the costs of invited validators.
6. Reddit Contract Support
Since Arbitrum contracts and transactions are byte-for-byte compatible with Ethereum, supporting the Reddit contracts is as simple as launching them on an Arbitrum chain.
Minting. Arbitrum Rollup supports hybrid L1/L2 tokens which can be minted in L2 and then withdrawn onto the L1. An L1 contract at address A can make a special call to the EthBridge which deploys a "buddy contract" to the same address A on an Arbitrum chain. Since it's deployed at the same address, users can know that the L2 contract is the authorized "buddy" of the L1 contract on the Arbitrum chain.
For minting, the L1 contract is a standard ERC-20 contract which mints and burns tokens when requested by the L2 contract. It is paired with an ERC-20 contract in L2 which mints tokens based on whatever programmer provided minting facility is desired and burns tokens when they are withdrawn from the rollup chain. Given this base infrastructure, Arbitrum can support any smart contract based method for minting tokens in L2, and indeed we directly support Reddit's signature/claim based minting in L2.
Batch minting. What's better than a mint cookie? A whole batch! In addition to supporting Reddit’s current minting/claiming scheme, we built a second minting design, which we believe outperforms the signature/claim system in many scenarios.
In the current system, Reddit periodically issues signed statements to users, who then take those statements to the blockchain to claim their tokens. An alternative approach would have Reddit directly submit the list of users/amounts to the blockchain and distribute the tokens to the users without the signature/claim process.
To optimize the cost efficiency of this approach, we designed an application-specific compression scheme to minimize the size of the batch distribution list. We analyzed the data from Reddit's previous distributions and found that the data is highly compressible since token amounts are small and repeated, and addresses appear multiple times. Our function groups transactions by size, and replaces previously-seen addresses with a shorter index value. We wrote client code to compress the data, wrote a Solidity decompressing function, and integrated that function into Reddit’s contract running on Arbitrum.
When we ran the compression function on the previous Reddit distribution data, we found that we could compress batched minting data down to to 11.8 bytes per minting event (averaged over a 6-month trace of Reddit’s historical token grants)compared with roughly 174 bytes of on-chain data needed for the signature claim approach to minting (roughly 43 for an RLP-encoded null transaction + 65 for Reddit's signature + 65 for the user's signature + roughly 8 for the number of Points) .
The relative benefit of the two approaches with respect to on-chain call data cost depends on the percentage of users that will actually claim their tokens on chain. With the above figures, batch minting will be cheaper if roughly 5% of users redeem their claims. We stress that our compression scheme is not Arbitrum-specific and would be beneficial in any general-purpose smart contract platform.
8. Benchmarks and costs
In this section, we give the full costs of operating the Reddit contracts on an Arbitrum Rollup chain including the L1 gas costs for the Rollup chain, the costs of computation and storage for the L2 validators as well as the capital lockup requirements for staking.
Arbitrum Rollup is still on testnet, so we did not run mainnet benchmarks. Instead, we measured the L1 gas cost and L2 workload for Reddit operations on Arbitrum and calculated the total cost assuming current Ethereum gas prices. As noted below in detail, our measurements do not assume that Arbitrum is consuming the entire capacity of Ethereum. We will present the details of our model now, but for full transparency you can also play around with it yourself and adjust the parameters, by copying the spreadsheet found here.
Our cost model is based on measurements of Reddit’s contracts, running unmodified (except for the addition of a batch minting function) on Arbitrum Rollup on top of Ethereum.
On the distribution of transactions and frequency of assertions. Reddit's instructions specify the following minimum parameters that submissions should support:
Over a 5 day period, your scaling PoC should be able to handle:
  • 100,000 point claims (minting & distributing points)
  • 25,000 subscriptions
  • 75,000 one-off points burning
  • 100,000 transfers
We provide the full costs of operating an Arbitrum Rollup chain with this usage under the assumption that tokens are minted or granted to users in batches, but other transactions are uniformly distributed over the 5 day period. Unlike some other submissions, we do not make unrealistic assumptions that all operations can be submitted in enormous batches. We assume that batch minting is done in batches that use only a few percent on an L1 block’s gas, and that other operations come in evenly over time and are submitted in batches, with one batch every five minutes to keep latency reasonable. (Users are probably already waiting for L1 finality, which takes at least that long to achieve.)
We note that assuming that there are only 300,000 transactions that arrive uniformly over the 5 day period will make our benchmark numbers lower, but we believe that this will reflect the true cost of running the system. To see why, say that batches are submitted every five minutes (20 L1 blocks) and there's a fixed overhead of c bytes of calldata per batch, the cost of which will get amortized over all transactions executed in that batch. Assume that each individual transaction adds a marginal cost of t. Lastly assume the capacity of the scaling system is high enough that it can support all of Reddit's 300,000 transactions within a single 20-block batch (i.e. that there is more than c + 300,000*t byes of calldata available in 20 blocks).
Consider what happens if c, the per-batch overhead, is large (which it is in some systems, but not in Arbitrum). In the scenario that transactions actually arrive at the system's capacity and each batch is full, then c gets amortized over 300,000 transactions. But if we assume that the system is not running at capacity--and only receives 300,000 transactions arriving uniformly over 5 days-- then each 20-block assertion will contain about 200 transactions, and thus each transaction will pay a nontrivial cost due to c.
We are aware that other proposals presented scaling numbers assuming that 300,000 transactions arrived at maximum capacity and was executed in a single mega-transaction, but according to our estimates, for at least one such report, this led to a reported gas price that was 2-3 orders of magnitude lower than it would have been assuming uniform arrival. We make more realistic batching assumptions, and we believe Arbitrum compares well when batch sizes are realistic.
Our model. Our cost model includes several sources of cost:
  • L1 gas costs: This is the cost of posting transactions as calldata on the L1 chain, as well as the overhead associated with each batch of transactions, and the L1 cost of settling transactions in the Arbitrum protocol.
  • Validator’s staking costs: In normal operation, one validator will need to be staked. The stake is assumed to be 0.2% of the total value of the chain (which is assumed to be $1 per user who is eligible to claim points). The cost of staking is the interest that could be earned on the money if it were not staked.
  • Validator computation and storage: Every validator must do computation to track the chain’s processing of transactions, and must maintain storage to keep track of the contracts’ EVM storage. The cost of computation and storage are estimated based on measurements, with the dollar cost of resources based on Amazon Web Services pricing.
It’s clear from our modeling that the predominant cost is for L1 calldata. This will probably be true for any plausible rollup-based system.
Our model also shows that Arbitrum can scale to workloads much larger than Reddit’s nominal workload, without exhausting L1 or L2 resources. The scaling bottleneck will ultimately be calldata on the L1 chain. We believe that cost could be reduced substantially if necessary by clever encoding of data. (In our design any compression / decompression of L2 transaction calldata would be done by client software and L2 programs, never by an L1 contract.)
9. Status of Arbitrum Rollup
Arbitrum Rollup is live on Ethereum testnet. All of the code written to date including everything included in the Reddit demo is open source and permissively licensed under the Apache V2 license. The first testnet version of Arbitrum Rollup was released on testnet in February. Our current internal version, which we used to benchmark the Reddit contracts, will be released soon and will be a major upgrade.
Both the Arbitrum design as well as the implementation are heavily audited by independent third parties. The Arbitrum academic paper was published at USENIX Security, a top-tier peer-reviewed academic venue. For the Arbitrum software, we have engaged Trail of Bits for a security audit, which is currently ongoing, and we are committed to have a clean report before launching on Ethereum mainnet.
10. Reddit Universe Arbitrum Rollup Chain
The benchmarks described in this document were all measured using the latest internal build of our software. When we release the new software upgrade publicly we will launch a Reddit Universe Arbitrum Rollup chain as a public demo, which will contain the Reddit contracts as well as a Uniswap instance and a Connext Hub, demonstrating how Community Points can be integrated into third party apps. We will also allow members of the public to dynamically launch ecosystem contracts. We at Offchain Labs will cover the validating costs for the Reddit Universe public demo.
If the folks at Reddit would like to evaluate our software prior to our public demo, please email us at [email protected] and we'd be more than happy to provide early access.
11. Even more scaling: Arbitrum Sidechains
Rollups are an excellent approach to scaling, and we are excited about Arbitrum Rollup which far surpasses Reddit's scaling needs. But looking forward to Reddit's eventual goal of supporting hundreds of millions of users, there will likely come a time when Reddit needs more scaling than any Rollup protocol can provide.
While Rollups greatly reduce costs, they don't break the linear barrier. That is, all transactions have an on-chain footprint (because all calldata must be posted on-chain), albeit a far smaller one than on native Ethereum, and the L1 limitations end up being the bottleneck for capacity and cost. Since Ethereum has limited capacity, this linear use of on-chain resources means that costs will eventually increase superlinearly with traffic.
The good news is that we at Offchain Labs have a solution in our roadmap that can satisfy this extreme-scaling setting as well: Arbitrum AnyTrust Sidechains. Arbitrum Sidechains are similar to Arbitrum Rollup, but deviate in that they name a permissioned set of validators. When a chain’s validators agree off-chain, they can greatly reduce the on-chain footprint of the protocol and require almost no data to be put on-chain. When validators can't reach unanimous agreement off-chain, the protocol reverts to Arbitrum Rollup. Technically, Arbitrum Sidechains can be viewed as a hybrid between state channels and Rollup, switching back and forth as necessary, and combining the performance and cost that state channels can achieve in the optimistic case, with the robustness of Rollup in other cases. The core technical challenge is how to switch seamlessly between modes and how to guarantee that security is maintained throughout.
Arbitrum Sidechains break through this linear barrier, while still maintaining a high level of security and decentralization. Arbitrum Sidechains provide the AnyTrust guarantee, which says that as long as any one validator is honest and available (even if you don't know which one will be), the L2 chain is guaranteed to execute correctly according to its code and guaranteed to make progress. Unlike in a state channel, offchain progress does not require unanimous consent, and liveness is preserved as long as there is a single honest validator.
Note that the trust model for Arbitrum Sidechains is much stronger than for typical BFT-style chains which introduce a consensus "voting" protocols among a small permissioned group of validators. BFT-based protocols require a supermajority (more than 2/3) of validators to agree. In Arbitrum Sidechains, by contrast, all you need is a single honest validator to achieve guaranteed correctness and progress. Notice that in Arbitrum adding validators strictly increases security since the AnyTrust guarantee provides correctness as long as any one validator is honest and available. By contrast, in BFT-style protocols, adding nodes can be dangerous as a coalition of dishonest nodes can break the protocol.
Like Arbitrum Rollup, the developer and user experiences for Arbitrum Sidechains will be identical to that of Ethereum. Reddit would be able to choose a large and diverse set of validators, and all that they would need to guarantee to break through the scaling barrier is that a single one of them will remain honest.
We hope to have Arbitrum Sidechains in production in early 2021, and thus when Reddit reaches the scale that surpasses the capacity of Rollups, Arbitrum Sidechains will be waiting and ready to help.
While the idea to switch between channels and Rollup to get the best of both worlds is conceptually simple, getting the details right and making sure that the switch does not introduce any attack vectors is highly non-trivial and has been the subject of years of our research (indeed, we were working on this design for years before the term Rollup was even coined).
12. How Arbitrum compares
We include a comparison to several other categories as well as specific projects when appropriate. and explain why we believe that Arbitrum is best suited for Reddit's purposes. We focus our attention on other Ethereum projects.
Payment only Rollups. Compared to Arbitrum Rollup, ZK-Rollups and other Rollups that only support token transfers have several disadvantages:
  • As outlined throughout the proposal, we believe that the entire draw of Ethereum is in its rich smart contracts support which is simply not achievable with today's zero-knowledge proof technology. Indeed, scaling with a ZK-Rollup will add friction to the deployment of smart contracts that interact with Community Points as users will have to withdraw their coins from the ZK-Rollup and transfer them to a smart contract system (like Arbitrum). The community will be best served if Reddit builds on a platform that has built-in, frictionless smart-contract support.
  • All other Rollup protocols of which we are aware employ a centralized operator. While it's true that users retain custody of their coins, the centralized operator can often profit from censoring, reordering, or delaying transactions. A common misconception is that since they're non-custodial protocols, a centralized sequencer does not pose a risk but this is incorrect as the sequencer can wreak havoc or shake down users for side payments without directly stealing funds.
  • Sidechain type protocols can eliminate some of these issues, but they are not trustless. Instead, they require trust in some quorum of a committee, often requiring two-third of the committee to be honest, compared to rollup protocols like Arbitrum that require only a single honest party. In addition, not all sidechain type protocols have committees that are diverse, or even non-centralized, in practice.
  • Plasma-style protocols have a centralized operator and do not support general smart contracts.
13. Concluding Remarks
While it's ultimately up to the judges’ palate, we believe that Arbitrum Rollup is the bakeoff choice that Reddit kneads. We far surpass Reddit's specified workload requirement at present, have much room to optimize Arbitrum Rollup in the near term, and have a clear path to get Reddit to hundreds of millions of users. Furthermore, we are the only project that gives developers and users the identical interface as the Ethereum blockchain and is fully interoperable and tooling-compatible, and we do this all without any new trust assumptions or centralized components.
But no matter how the cookie crumbles, we're glad to have participated in this bake-off and we thank you for your consideration.
About Offchain Labs
Offchain Labs, Inc. is a venture-funded New York company that spun out of Princeton University research, and is building the Arbitrum platform to usher in the next generation of scalable, interoperable, and compatible smart contracts. Offchain Labs is backed by Pantera Capital, Compound VC, Coinbase Ventures, and others.
Leadership Team
Ed Felten
Ed Felten is Co-founder and Chief Scientist at Offchain Labs. He is on leave from Princeton University, where he is the Robert E. Kahn Professor of Computer Science and Public Affairs. From 2015 to 2017 he served at the White House as Deputy United States Chief Technology Officer and senior advisor to the President. He is an ACM Fellow and member of the National Academy of Engineering. Outside of work, he is an avid runner, cook, and L.A. Dodgers fan.
Steven Goldfeder
Steven Goldfeder is Co-founder and Chief Executive Officer at Offchain Labs. He holds a PhD from Princeton University, where he worked at the intersection of cryptography and cryptocurrencies including threshold cryptography, zero-knowledge proof systems, and post-quantum signatures. He is a co-author of Bitcoin and Cryptocurrency Technologies, the leading textbook on cryptocurrencies, and he has previously worked at Google and Microsoft Research, where he co-invented the Picnic signature algorithm. When not working, you can find Steven spending time with his family, taking a nature walk, or twisting balloons.
Harry Kalodner
Harry Kalodner is Co-founder and Chief Technology Officer at Offchain Labs where he leads the engineering team. Before the company he attended Princeton as a Ph.D candidate where his research explored economics, anonymity, and incentive compatibility of cryptocurrencies, and he also has worked at Apple. When not up at 3:00am writing code, Harry occasionally sleeps.
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How to Withdraw Bitcoin from a Bitcoin Exchange to a ...

Easy to use for beginners and robust enough for experts, the Bitcoin.com wallet is the perfect way to store your Bitcoin. Available for iOS, Android and Wind... Bitcoin_Hack____Another_Easy_Ways_to_hack_Btc_wallet_and_withdraw_bitcoins_2020____With_Proof(360p) Send bitcoins step-by-step Paxful offers a wallet service for Bitcoin. One of the features of this service is to send bitcoins to both internal and external ... Here is a tutorial how to import your old bitcoin wallet into a new wallet in easy steps. I was able to import 1.7 old forgotten bitcoin from 2013. Learn how to easily send your cryptocurrency from Coinbase to another wallet of your choice. Check back for daily cryptocurrency videos! Don't forget to subs...

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