【作者】 蔡满春； 马春光； 杨成； 杨义先；

【Author】 Cai Manchun, Ma Chunguang, Yang Cheng, Yang Yixian (Information Security Center, Beijing University of Posts and Telecomms, Beijing 100876) (The department of Information Security, the Chinese People’s Security University, Beijing 102600) (College of computer Science and Technology, Harbin Engineering University, Harbin, 15001) (Information Engineering School, Communication University of China, 100024)

【机构】 北京邮电大学信息安全中心国家重点实验室；

【摘要】 绝大多数基于电子现金(e-cash)不具有可转移的特性。电子现金的可转移性是指当受款人在一笔交易中收到一笔电子货币后,不用先将电子货币存入银行再从银行生成电子货币就可以使用了。本文基于可追踪签名机制设计了一个可转移电子现金方案,具有离线、匿名、防伪造等,具有较好的安全性。更多还原

【Abstract】 Most electronic cash (e-cash) based payment systems that have been proposed do not possess the property of transferability. Transferability in an e-cash based system means that when a payee receives an electronic coin in a transaction he may spend it without depositing the coin first and getting a new coin issued from a bank. In this paper, using Traceable Signatures we suggest a transferable electronic cash system which provides off-line, anonymity control and unforgeability, etc更多还原