-----BEGIN PGP SIGNED MESSAGE----- Hello Hal <hfinney@shell.portal.com> and cypherpunks@toad.com H wrote:
Jiri Baum <jirib@sweeney.cs.monash.edu.au> writes: ...
An interesting question is whether Bob and Nick can now collude to expose Alice. Therefore Alice would at least want to verify that the ...
I don't think they can. All Bob sees is his own blinded coin, and the ...
What I meant is, are there any proto-coins that will show through a blinding? (Mathematically special values like fixed points.)
However, the timing is a problem. Bob knows _when_ Alice communicated ...
So it is. What you'd really want is for Alice to pay for the new coins in ecash. I'm wondering whether a "coin-changer" would be easier or harder to set up than a "bank" (from regulatory point of view). After all, for e-cash you don't really need accounts; you just need: - verify coins (coin-changer) ie ecash->ecash - buy coins (join the system) ie cash->ecash - sell coins (redeem) ie ecash->cash Any cyberspace banks can be completely separate from the ecash issuer. Jiri - -- If you want an answer, please mail to <jirib@cs.monash.edu.au>. On sweeney, I may delete without reading! PGP 463A14D5 (but it's at home so it'll take a day or two) PGP EF0607F9 (but it's at uni so don't rely on it too much) -----BEGIN PGP SIGNATURE----- Version: 2.6.2i iQCVAwUBMI8NXixV6mvvBgf5AQEx7AP8Cj+AoVPB5ZhGtWETZ7bi6ZfSC2wRyaFY /N+nNeYEZcV7ssuOVqIjLG0yUSPjjQbQ2KY3pjZ2ZIyEBz0PfVPg9RX+KnMPvHA8 Bk7dInK0movgUwVHXGn4le6CdSEvO8xBZC2h7YMdR8qaI63ptU/2Evi3kBWi9Vxs 4PbhXz7g2wA= =v4YS -----END PGP SIGNATURE-----