• rook@awful.systems
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    5 hours ago

    It’s not really a meaningful question whether the sum Alice received was the fraction of a “coin” I received from you

    Ish. If you received a million CSAM’n’heroin bucks, and you give 10 bucks to Alice, there’s a transaction history that now links Alice’s wallet to CSAM’n’heroin which can indeed be a problem for Alice, because cautious exchanges might now freeze her assets until she can offer some proof that she’s not doing anything bad.

    There’s a bitcoin wallet attack that uses this trick that was mentioned recently, maybe here, maybe on web3igjg. You can argue the bitcoins aren’t the same, but in practise no-one cares.


    eta: this is apparently called a “dust attack” and I first heard about it here: https://awful.systems/post/3463061

    Merely interacting with a sanctioned wallet is enough to get or treated with suspicion, let alone receiving funds. Pecunia certainly olets these days.

    • Soyweiser@awful.systems
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      1 hour ago

      There’s a bitcoin wallet attack that uses this trick that was mentioned recently, maybe here

      It was here, but also it is an older trick, it just isnt crippling the ecosystem as some exchanges simply dont care. It prob fucks up peoples lives quite badly however.

    • bitofhope@awful.systems
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      4 hours ago

      Yep, agencies do track blood money on the chains and place sanctions accordingly. It’s just a little more complicated than checking “was this specific coin used in one of these crimes” and laundering is still possible through a rogue exchange or P2P/sneakernet transactions to parties that don’t care about the sanctions.