| 摘要 |
<p>A method for performing secure on-line transactions in a system which at least includes one or more customer computers (1), one or more vendor computers (3), a payment system (4) with which the vendors are registered, and a payment authorization system (5), is described. The method includes such steps as transferring information regarding available products from a vendor computer (3) to a customer computer (1), and transferring order information to the vendor computer (3) either directly or by way of the payment center (4). Further the method includes sending payment information from the customer computer (1) to the payment center (4). Following an approval from the payment authorization system (5), the payment system (4) sends a voucher to the customer computer (1), and a delivery approval accompanied by relevant order information to the vendor computer (3). The vendor then delivers the ordered product, possibly in exchange for the voucher. After receiving a claim from the vendor that the delivery has been made, possibly including the voucher, the payment system (4) handles the debiting of the customer and the crediting of the vendor. Also described is a system for implementing the described method.</p> |
