macrocephalopod on Twitter: "(a) Alice (good) transfers 1 to X (b) Bob (bad) transfers 1 to X (c) X transfers 1 to Charles. (d) X transfers 1 to Diana. Can you tell how much of Alice’s old balance is now held by Charles and how much is held by Diana?… https://t.co/2OPCkjLGyv"

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Travis.web1‏ @coloradotravis Feb 9

Replying to @choffstein

Wallets are files and lines, transactions are commits. Under vanilla git usage patterns, historical state of a git repo can be replicated. The state of a git repo is the state of on chain balance sheets at a point in time.

2 replies 0 retweets 4 likes

Travis.web1‏ @coloradotravis Feb 9

Replying to @coloradotravis @choffstein

If I increment the lineage I can watch funds the funds flow across balance sheets.pic.twitter.com/t76wJOKC7N

2 replies 0 retweets 3 likes

Corey Hoffstein ‏Verified account @choffstein Feb 9

Replying to @coloradotravis

So it’s more like: There is only 1 type of character in the file. Commits would then tell you if someone added or removed that character (and how many times), but not from WHERE in the file. So it’s impossible to tell who touched any specific character in the file.

1 reply 0 retweets 4 likes

Corey Hoffstein ‏Verified account @choffstein Feb 9

Replying to @choffstein @coloradotravis

But also, you’re changing the subject now. And I’m not going to debate the RICO Act’s applicability with you. I have zero knowledge or expertise in that space.

1 reply 0 retweets 3 likes

Travis.web1‏ @coloradotravis Feb 9

Replying to @choffstein

I ain’t selling anything, just a guy who has worked on similar problems. This is a solvable problem. It would appear the closest stuff to the things we worked on is called, in bitcoin, “taint analysis.” I’d be careful googling that one. https://arxiv.org/pdf/2009.14007.pdf …pic.twitter.com/Npmwxwo2Td

3 replies 0 retweets 15 likes

Corey Hoffstein ‏Verified account @choffstein Feb 9

Replying to @coloradotravis

Yes, this is exactly what I was looking for! Thank you! Why is it so hard to dig this stuff out of you man. You could've posted this 10 tweets up.

3 replies 0 retweets 13 likes

Travis.web1‏ @coloradotravis Feb 9

Replying to @choffstein

What fun would that have been.

2 replies 0 retweets 10 likes

Corey Hoffstein ‏Verified account @choffstein Feb 9

Replying to @coloradotravis

Okay, I read the paper. It’s just about tainted addresses. Similar to poisining, but with more sophisticated techniques specific to mixer services. Doesn’t solve the problem I highlight above other than to say, “all addresses in this chain are tainted."

2 replies 0 retweets 4 likes

Travis.web1‏ @coloradotravis Feb 9

Replying to @choffstein

I did not mean to suggest that paper was an exhaustive solution, lol. It’s a state machine in which the entirety of state at (t) is knowable (not just poisoned sets). Variants of the “thief and the scale” riddle work in this domain.

1 reply 0 retweets 3 likes

Corey Hoffstein ‏Verified account @choffstein Feb 9

Replying to @coloradotravis

As far as anything I’ve read today is concerned, knowing the full state at time t and t+1 doesn’t satisfy whether sats can necessarily be individually identified.pic.twitter.com/X3jpiHLn0e

2 replies 1 retweet 7 likes

macrocephalopod‏ @macrocephalopod Feb 9

Replying to @choffstein @coloradotravis

(a) Alice (good) transfers 1 to X (b) Bob (bad) transfers 1 to X (c) X transfers 1 to Charles. (d) X transfers 1 to Diana. Can you tell how much of Alice’s old balance is now held by Charles and how much is held by Diana?

3:33 PM - 9 Feb 2022

1 Retweet
12 Likes

4 replies 1 retweet 12 likes

1. Show replies
1. Ky Nguyen‏ @KeyWinvest Feb 9
  Replying to @macrocephalopod @choffstein @coloradotravis
  
  If you can tag the BTC being stolen at start and block the wallet that the BTC in question was transfer to, then would the transaction above not even happen? The issue now is since the BTC in the wallet are now blocked, how to compensate the victim with the frozen stolen goods.
  
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1. tanguy bretagne / bzh macro‏ @pauleluard Feb 9
  Replying to @macrocephalopod @choffstein @coloradotravis
  
  You are litterally giving a boner to lawyers who think “we didnt get the madoff recovery job but there is the bitcoin stuff and it could be the gift that keeps on giving”
  
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