Making Electronic Refunds Safer

  • Rafael Hirschfeld
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 740)


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 given an alternative protocol that fixes the problem.


Blind Signature Check Scheme Electronic Cash Unused Portion Electronic Money 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • Rafael Hirschfeld
    • 1
  1. 1.Laboratory For Computer ScienceMassachusetts Institute of TechnologyCambridge

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