Abstract
In an electronic cash (e-cash) system, Recoverability means once you have lost your e-cash, you still can get back the amount of e-cash that you have lost. Untraceability means no one can trace where and when you have spent your e-cash. Obviously these are conflicting properties in an e-cash system. Most of the e-cash systems proposed in the literature do not include recoverability. Although some of them such as [17] contain recoverability, it is an on-line e-cash system. In this paper, we propose a new efficient e-cash protocol which possesses these two properties simultaneously. At the same time, it still remains off-line.
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Liu, J.K., Tsang, P.P., Wong, D.S. (2005). Recoverable and Untraceable E-Cash. In: Chadwick, D., Zhao, G. (eds) Public Key Infrastructure. EuroPKI 2005. Lecture Notes in Computer Science, vol 3545. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11533733_14
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DOI: https://doi.org/10.1007/11533733_14
Publisher Name: Springer, Berlin, Heidelberg
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