| 摘要 |
PURPOSE: An electronic payment method issuing a premium coupon at the same time as paying to an online shopping mall is provided to offer the compensation for the buying on the online shopping mall to a user and to promote the buying and the payment on the online shopping mall. CONSTITUTION: The user selects a premium and stores it on a database(9). The user requests the payment by transmitting a user ID, a password and the payment information to a shopping mall server(1). A payment server performs a payment procedure by using the payment information as the shopping mall server transmits the payment information to the payment server(2). The payment server transmits a result to the shopping mall server(3). The shopping mall server transmits the ID and the password of the user to a premium coupon server(4). The premium coupon server transmits the premium coupon information includes a premium coupon sort and a winning probability according to the compensation amount(5). The payment server transmits a payment result and the premium coupon information to the user(6).
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