> You just can't have a place where anyone with enough money (a few k EUR/USD) can perform murders without any reasonable risk of being exposed.
I strongly suspect that we will see a whitelist-endorsed-by-some-reputation-broker approach sometime in the future. The suggestion of this kind of thing usually creates a big backlash among many Bitcoin supporters (for good reasons IMO). But eventually there will be many folks using Bitcoin without any ideological attachment to it, and they'll be lured by the appeal of interacting with agents endorsed by some other party.
I strongly suspect that we will see a whitelist-endorsed-by-some-reputation-broker approach sometime in the future. The suggestion of this kind of thing usually creates a big backlash among many Bitcoin supporters (for good reasons IMO). But eventually there will be many folks using Bitcoin without any ideological attachment to it, and they'll be lured by the appeal of interacting with agents endorsed by some other party.