Workshop on the Theory and Application of of Cryptographic Techniques

EUROCRYPT 1993: Advances in Cryptology — EUROCRYPT ’93 pp 318-328

Single Term Off-Line Coins

  • Niels Ferguson
Conference paper

DOI: 10.1007/3-540-48285-7_28

Volume 765 of the book series Lecture Notes in Computer Science (LNCS)


We present a new construction for off-line electronic coins that is both far more efficient and much simpler than previous systems. Instead of using many terms, each for a single bit of the challenge, our system uses a single term for a large number of possible challenges. The withdrawal protocol does not use a cut-and-choose methodology as with earlier systems, but uses a direct construction.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • Niels Ferguson
    • 1
  1. 1.CWIAmsterdamNetherlands