Research on Transferable Off-Line Electronic Cash System  

作　　者：LIU Yichun 

机构地区：[1]Guangdong Key Laboratory of Electronic Commerce/ Guangdong University of Business Studies, Guangzhou 510320, Guangdong, China

出　　处：《Wuhan University Journal of Natural Sciences》2008年第6期749-752,共4页武汉大学学报（自然科学英文版）

基　　金：Supported by the Natural Science Foundation of Zhejiang Province, China (Y106802);Guangdong Provincial Science and Technology Planning Project of China (2007B010200035)

摘　　要：In this paper, a new cash scheme is proposed for electronic payment system, in which the cash can be transferred several times. When this kind of cash is used, the fraud such as double spending can be found out but the bank and the trusted party needs not be involved online in each transaction. This cash system is anonymous in normal transactions. But if a fraud happens, the trusted party can withdraw the anonymity to find out the cheater. The new cash scheme is transferable, anonymous, off-line and efficient.In this paper, a new cash scheme is proposed for electronic payment system, in which the cash can be transferred several times. When this kind of cash is used, the fraud such as double spending can be found out but the bank and the trusted party needs not be involved online in each transaction. This cash system is anonymous in normal transactions. But if a fraud happens, the trusted party can withdraw the anonymity to find out the cheater. The new cash scheme is transferable, anonymous, off-line and efficient.

关 键 词：electronic cash transferability ANONYMITY 

分 类 号：TP393.08[自动化与计算机技术—计算机应用技术]