I taint rich! (Raw txn fun and disrupting 'taint' analysis; >51kBTC linked!)

[phillipsjk]

I anybody still doing this manually?

Or is everybody using automated tools now?

One thing that gives me pause is that I don't want the machine doing coin arithmetic to have network access.

Would be great if I don't have to download the whole block-chain as well.

[BitUsher]

Here is an implementation of a variation of this fungibility technique created by Samourai for people to review.

https://twitter.com/SamouraiWallet/status/1078604277726224384

https://oxt.me/transaction/546458c3470428bddada07f70676acb3646d8c1bc2ab3ab74204f8059a6fc3a7

Alice pays Bob 0.0005 BTC

              0.0005  (B)
(A) 0.002  =
              0.0015  (A)

Bob contributes 0.0011

(A) 0.002     0.0016  (B)
           =
(B) 0.0011    0.0015  (A)

Alice pays miner's fee

(A) 0.002     0.0016   (B)
           =
(B) 0.0011    0.001496 (A)

https://gist.github.com/LaurentMT/e758767ca4038ac40aaf