Online Cash Checks

  • David Chaum
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 434)


Savings of roughly an order of magnitude in space, storage, and bandwidth over previously published online electronic cash protocols are achieved by the techniques introduced here. In addition, these techniques can increase convenience, make more efficient use of funds, and improve privacy.


  1. Chaum, D., “Privacy Protected Payments: Unconditional Payer and/or Payee Anonymity,” in Smart Card 2000, North-Holland, 1989, pp. 69–92.Google Scholar
  2. Chaum, D., A. Fiat, & M. Naor, “Offline Electronic Cash,” Proceedings of Crypto’ 88.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • David Chaum
    • 1
  1. 1.Centre for Mathematics and Computer ScienceAmsterdam

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