17 Dec
2003
17 Dec
'03
11:17 p.m.
At 05:15 24/07/96 -0500, Matt Carpenter wrote:
getting change from the merchant. Ian Goldberg pointed out that with the current ecash protocol, accepting change not only eliminates your anonymity, but that you also have to go online to make sure you aren't being cheated.
I'm sure it should be possible for the merchant to electronically give you an "IOU" for the amount of change s/he owes you, no matter how small, without loss of your anonymity. Next time you go to the same merchant, the IOU could automatically be adjusted against the new purchase. Arun Mehta Phone +91-11-6841172, 6849103 amehta@cpsr.org http://www.cerfnet.com/~amehta/ finger amehta@cerfnet.com for public key