E-Cash promotion idea

[Arun Mehta]

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 at cpsr.org
http://www.cerfnet.com/~amehta/  finger amehta at cerfnet.com for public key