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D-cash: A flexible pre-paid e-cash scheme for date-attachment

机译：D-cash：日期附加的灵活的预付费电子现金方案

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摘要

The electronic payment system is one of the most important success factors in electronic commerce. In this paper, we propose D-Cash, a practical and flexible date-attachment pre-paid e-cash scheme. Briefly speaking, there are three important dates, including the withdrawal date, the effective date and the deposit date, in an e-coin lifetime before it is deposited in the bank. In pre-paid systems, the withdrawal date and the effective date are important to customers and merchants if the interest of e-cash is considered. Although several pre-paid schemes for date-attachment have been proposed, the interest of e-cash during the withdrawal date and the effective date is ignored. In D-Cash, the interest of e-cash during the withdrawal date and the effective date is addressed for attracting customers to use the pre-paid e-cash schemes, the attachment and management of dates are more simple and flexible than other date-attachment e-cash schemes, and the untraceability property is also preserved.
机译：电子支付系统是电子商务中最重要的成功因素之一。在本文中，我们提出了D-Cash，这是一种实用且灵活的日期附加预付费电子现金方案。简而言之，电子货币在存入银行之前的整个生命周期中有三个重要的日期，包括提款日期，生效日期和存款日期。在预付费系统中，如果考虑电子现金的利益，提款日期和生效日期对客户和商户来说很重要。尽管已提出了几种用于日期附加的预付费方案，但忽略了提款日期和生效日期期间电子现金的利息。在D-Cash中，解决了在提款日期和生效日期期间电子现金的兴趣，以吸引客户使用预付费电子现金计划，日期的附加和管理比其他日期更简单，更灵活-附件电子现金方案，并且保留了untraceability属性。

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