24 search results - page 3 / 5 » On Anonymous Electronic Cash and Crime |
FC
1998
Springer
14 years 3 months ago
1998
Springer
In this paper we construct a practical group blind signature scheme. Our scheme combines the already existing notions of blind signatures and group signatures. It is an extension o...
ICDCS
2007
IEEE
14 years 5 months ago
2007
IEEE
An electronic cash system allows users to withdraw coins, represented as bit strings, from a bank or broker, and spend those coins anonymously at participating merchants, so that ...
ECWEB
2003
Springer
14 years 4 months ago
2003
Springer
Although many charities have a web presence, almost all of them have been designed to accept credit cards as the only means for making donations. The anonymity requirements of many...
CARDIS
2004
Springer
14 years 4 months ago
2004
Springer
More and more services provided by Internet pose a problem of privacy and anonymity. One cryptographic tool that could be used for solving this problem is the group signature [1, 5...
FC
2008
Springer
14 years 18 days ago
2008
Springer
The practical advantage expected from transferable e-cash compare to non-transferable is the significant reduction of the interaction number between the bank and the users. However...