We're working on something that should separate the concept of 'have you paid us' from 'who are you', at which point you'd be free to use (the existing) bitcoin

We're working on something that should separate the concept of 'have you paid us' from 'who are you', at which point you'd be free to use (the existing) bitcoin payment method and have a pretty private experience. Hopefully out in the next few weeks but no promises.