Finally, security of E-cash system are analyzed.
最后对系统的安全性进行了分析。
Finally, we look into the future of e-cash technology.
最后对电子现金技术的未来进行展望。
Restrictive blind signature is the essential technology in the implementation of efficient off-line e-cash system.
受限盲签名是实现高效离线电子现金系统的关键技术。
Choose the relevant option e. g. cash and type in the amount handed over by the customer.
选择相应的付款方式，例如现金，键盘打入客户付款金额。
Choose the relevant option e. g. cash and type in the amount handed over by the customer.
选择相应的付款方式，例如现金，键盘打入客户付款金额。
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