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 resuing e-cash and faking e-cash. It fits justice, anonymity, non-deny and impartiality.
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Foundation item: Supported by the National High Technology Development 863 Program of China under Grant (863-301-1-3)
Biography: WANG Shao-bin(1972-), male, Ph.D., research direetion: information security and electronic commerce.
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Shao-bin, W., Fan, H. & Guo-hua, C. A fair e-cash payment scheme based on credit. Wuhan Univ. J. Nat. Sci. 11, 155–159 (2006). https://doi.org/10.1007/BF02831722
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DOI: https://doi.org/10.1007/BF02831722