Chen Yingdong

TL;DR: In this paper, the authors characterized an electronic payment method being high in safety and belongs to the field of electronic payment of e-commerce, which is characterized in that a client opens a credit card account and obtains an credit card; the client examines a commodity list in a Web home page and selects required commodities, then fills in an order and transmits the order to a merchant through the network and meanwhile attaches a payment command; the order and the payment command must be provided with digital signatures of the client; the digital signatures are the account information that the merchant cannot see; the