[Bitcoin-development] bitcoin taint unilateral revocability (Re: ecash and revocability)

2013-05-14 Thread Adam Back
On Tue, May 14, 2013 at 01:51:51PM +0200, Adam Back wrote: Adam Back in Sep 1999, cypherpunks list: I wouldn't say ecash has to use blinding, but I would argue it would be a misuse of the word ecash, if something which was revocable were dubbed ecash. So I still think that is an important point.

Re: [Bitcoin-development] bitcoin taint unilateral revocability (Re: ecash and revocability)

2013-05-14 Thread Simon Barber
Adam, Take a look at this privacy enhancing solution based on fair exchange implemented by bitcoin contracts and cut-and-choose. It would require a public pool of users willing to exchange in common denominations at moments in time together to ensure unlinkability. It also leave a trace of