Making Electronic Refunds Safer

Authors:
Rafael Hirschfeld
Affiliations:
-
Venue:
CRYPTO '92 Proceedings of the 12th Annual International Cryptology Conference on Advances in Cryptology
Year:
1992

Citing 4
Cited 2

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Abstract

We show how to break an electronic cash protocol due to van Antwerpen. (a refinement of the system proposed by Chaum, Fiat, and Naor), and give an alternative protocol that fixes the problem.