Even Mike Hearn admits that criminals can simply use a mixing service to counter-act his Redlist proposal.
Here he is talking about CryptoLocker:
The most obvious counter-move is to use a public mixing service like the one run by blockchain.info. These mixes aren't truly P2P, so the b.i server (or clients) could check and refuse to mix marked coins
His only solution is that since blockchain.info is centralized it can likely be encouraged/coerced into
refusing to process any marked coinsThis completely contradicts his argument that Redlisting does not impact on fungibility:
But in no circumstance would you be expected to say "I won't accept those coins".
I have the greatest respect for Mike Hearn but I strongly oppose his views here and those he has voiced on Tor hidden services