Abstract
E-cash is a type of very important electronic payment systems. The complete anonymity of E-cash can be used for criminal activities, so E-cash should be anonymity controlled. Moreover, Elliptic Curve Cryptography(ECC) has been regard as the mainstream of current public cryptography. In this paper, a new anonymity controlled E-cash scheme based on ECC for the first time and using a new technology—one-time key pairs digital signature is designed, and its security and efficiency are analyzed. In our scheme, the coin tracing and owner tracing can be implemented.
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