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Re:A 96 Bitcoin ransom payment ends up on Bitfinex by rini17 on Wednesday January 29, 2020 @11:19AM (#22182176)
This may result in tainting large part of bitcoin in circulation.

If someone buys a coffee with tainted coins, is the cafeteria now responsible for querying the registry to reject the transaction? Or it risks to have whole daily turnover, if spent together, end up tainted?

Re:A 96 Bitcoin ransom payment ends up on Bitfinex by PeterisP on Wednesday January 29, 2020 @05:05PM (#22186380)
I'not saying that it's going to happen, but it certainly seems plausible to have laws that merchants who violate some blacklist forfeit their daily turnover, there are existing laws with much, much harsher consequences.