Ram A Moskovitz wrote: > Did you consult for First Data Corp. at the time?
some reference: http://www.garlic.com/~lynn/aadsm5.htm#asrn2 http://www.garlic.com/~lynn/aadsm5.htm#asrn3 little later, we got to review chaum and brand stuff. brand had done a take-off on chaum's stuff so that if somebody double-spent (aka fraud) ... the financial institution could determine who did it (basically a form of solving two equations in two unknowns). --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]