111 search results - page 12 / 23 » Mix-Based Electronic Payments |
ISW
1999
Springer
13 years 11 months ago
1999
Springer
Anonymous electronic cash systems can be vulnerable to criminal abuse. Two approaches were suggested for solving this problem. In an escrowed cash system users are given anonymity ...
IJNSEC
2006
13 years 6 months ago
2006
Electronic payment systems have gradually become an important issue nowadays because of the popularity and importance of electronic commerce on the Internet. Security and convenie...
ISTCS
1997
Springer
13 years 11 months ago
1997
Springer
We introduce the k-payment problem: given a total budget of N units, the problem is to represent this budget as a set of coins, so that any k exact payments of total value at most ...
EUROCRYPT
1995
Springer
13 years 10 months ago
1995
Springer
Abstract. A blind signature scheme is a protocol for obtaining a signature from a signer such that the signer's view of the protocol cannot be linked to the resulting message-...
FAC
2008
13 years 6 months ago
2008
This paper explains how the Alloy model-finding method has been used to check the specification of an electronic purse (also called smart card) system, called the Mondex case study...