proof of stake doesn't have less censorship resistance than proof of work. both styles are observed to have the same degree of vulnerability to OFAC compliance (some), and the same mitigation (wait longer). if you want maximum censorship resistance, it doesn't matter if there is proof of work or proof of stake. you need to take away the ability for block producers to discriminate the transactions in the mempool by making them all look the same.
I’m not sure how the difference of treatment between “cleaned” and “dirty” #Bitcoin by financial institutions will end up playing out but the worst case scenario would be a different exchange rate and market for each category. Unless Bitcoin moves to proof-of-stake I don’t think that the censorship of P2P transactions of “dirty” bitcoins is likely. Having two markets/exchange rates would already be a quite destructive consequence. https://casten.house.gov/imo/media/doc/blockchain_integrity_act.pdf
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