Sorry for bumping this thread ... I'm just curious.
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The bounty fund will pay out as funds are available according to the signers best judgment for completed work proposed in this thread that furthers the goal of making improved transaction privacy a practical reality for Bitcoin users.
If JoinMarket did not qualify, and CoinShuffle (or ShuffleCoin?) did not also qualify, what would do it? Does it have to be completely decentralized? Can it be something that relies on a "super-node" or even a third party website, bot or api? (Someone collects possible transactions and makes everyone sign it once a day or once an hour or something.)
How do you define "practical reality for Bitcoin users"?
Did I miss any other attempts at implementing this aside from CoinShuffle and JoinMarket?