A flexible date-attachment scheme on e-c
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Chin-Chen Chang; Yeu-Pong Lai
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Article
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2003
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Elsevier Science
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English
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The electronic cash payment system is an important technique that has been utilized for electronic commerce. In this paper, we propose a flexible date attaching method to Chaum's electronic cash scheme, which can also be applied to many other electronic cash schemes. The date attaching method provid