On blind signatures and perfect crimes
Computers and Security
Untraceable off-line cash in wallet with observers
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
The ESPRIT Project CAFE - High Security Digital Payment Systems
ESORICS '94 Proceedings of the Third European Symposium on Research in Computer Security
CRYPTO '88 Proceedings of the 8th Annual International Cryptology Conference on Advances in Cryptology
Proceedings of the International Workshop on Security Protocols
Transferred cash grows in size
EUROCRYPT'92 Proceedings of the 11th annual international conference on Theory and application of cryptographic techniques
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Since the seminal eCash paper by Chaum, Fiat and Naor [4], there have been many improvements to the original protocol. However, a protocol constitutes only a single layer of a production system. We examine the feasibility of using some of these new eCash protocols in a more massive system that replaces our current physical cash system. Our examples are taken from the Australian economy, but should be applicable to other developed nations.