| 摘要 |
<p>An electronic commercial transaction support method capable of smoothly and safely performing an electronic commercial transaction on a communication network and an electronic commercial transaction support server for realizing it are disclosed. The system for the electronic commercial transaction support method includes a communication terminal (2) of commodity purchase desirer side connected to a virtual store (40) on the communication network and requesting for a commodity purchase by a credit card, an electronic commercial transaction server (46) installed in the virtual store (40) for deciding whether to establish an electronic commercial transaction according to a credit check of the credit card, and an electronic commercial transaction support server (44) which requests, via the communication network (32), the communication terminal (2) to transmit unique number data in an IC card (10) and converts the received unique number data into a credit card number so as to create credit limit data and transmit credit-enabled/disabled data to the electronic commercial transaction server (46).</p> |
