| 摘要 |
PURPOSE: A method for performing the EC(Electric Commerce) using a representative card is provided to naturally absorb all economic subjects to the EC without interfering a current economic activity structure, and make a customer receive various services and contents while dissolving the inconvenience for the registration and the uneasiness for the outflow of personal information. CONSTITUTION: Businessman certification is performed. A cash register screen is generated/transmitted to a BT(Businessman Terminal)(820). The information for a goods list and price is received through the BT(830). Customer certification information is received through the BT. A customer is certified by using the customer certification information(850). The representative card matched with the customer is extracted. The extracted representative card is certified(853). A card list registered to the representative card is extracted/transmitted to the BT(855). A card ID matched with the card selected from the card list is received from the BT(870). The card information matched with the card ID is extracted. The extracted card information is transmitted to a card company matched with the card ID(875).
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