With analyzing the current electronic cash system,this paper describes an electronic cash protocol based on e- wallet ,which makes use of hybrid crytosystem and digital signature scheme on the basis of electronic wallet.

• 在分析现有电子支付系统的基础上,通过引入电子钱包,采用混合加密体制和数字签名技术,提出了一种新的基于电子钱包的电子现金支付协议。