A fair e-cash payment scheme based on credit

  • Authors:
  • Shaobin Wang;Fan Hong;Guohua Cui

  • Affiliations:
  • University of Science and Technology Beijing, Beijing, China;University of Science & Technology, Wuhan, China;University of Science & Technology, Wuhan, China

  • Venue:
  • ICEC '05 Proceedings of the 7th international conference on Electronic commerce
  • Year:
  • 2005

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Abstract

A new fair e-cash payment scheme based on credit is present in this paper. In the scheme, an overdraft credit certificate is issued to user by bank. Using the overdraft credit certificate, user can produce e-cash himself to pay in exchanges. Merchant can verify the e-cash received from user. Bank can make a fair dispute resolution when there is a dissension between user and merchant. It can avoid the problem of partition e-cash for changes, prevent from reusing e-cash and faking e-cash. It fits justice, anonymity, non-deny and impartiality.