Electronic payment system is the kernel of E-commerce system. Although the electronic payment system based on E-cash is still under developing, it might be widely used because of its advantage.

电子支付系统是电子商务系统的核心，基于电子现金的电子支付系统目前还处于研究阶段，但由于它拥有许多优点，在未来将被广泛使用。

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As electronic cash (E-cash) is one of the most attractive electronic payment forms, electronic cash system has attracted lots of researchers' attention at home and aboard.

电子现金是电子支付最有吸引力的方式之一，电子现金系统的研究受到了国内外很多学者的关注。

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The dissertation devised one card system according to multi-payment of e-cash which can help realize the community multi-payment mode, then combined the application of smart card and e-business.

论文根据混合式数字现金支付模式设计了混合模式的“一卡通”体系，融合了基于宽带网络和智能卡终端系统的功能，使智能卡应用与网络电子商务相结合。

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