从概念上讲，电子商务与众所周知的商业服务并无不同，后者的服务包括像电话银行、“邮购”目录，或通过传真向供应商发送采购订单等。

Conceptually, e-commerce does not differ from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier via fax.

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本文提出一个新的称为限制性群盲签名的概念，并且指出了如何利用限制性群盲签名来构造多个银行参与发行的、公正的电子现金系统。

In this paper, we introduce a notion called restrictive blind group signature, then we construct a fair off-line e-cash system in the multiple bank model with both user and bank anonymity control.

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网上银行和金融电子化的飞速发展，地域的概念已经模糊，国内银行引以为傲的网点优势也将逐渐淡化。

With the development of Internet Banking and Electronical Finance, there is no clear separate of areas thus the network advantage, which has been proud of by the china banks, is also vanishing.

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