| 摘要 |
PURPOSE: Method and system for providing merchandising service to face-to-face type safe-direct trade uses a user terminal to check a trade and to authenticate trade accomplishment and thereby can improve safety and reliability of the trade. Method and system for providing merchandising service to face-to-face type safe-direct trade exchanges information between persons trading through a user terminal and pays the trade cost through escrow service. CONSTITUTION: A direct trade agent server (30) produces a first signature key which is used when direct trace face-to-face direct trade promised or designated between a seller and a buyer, and a second signature key and a trade accomplishment signature key (S310). The direct trade agent server transmits the first signature key to a seller side terminal (10) (S320). The seller side terminal stores or records the first signature key received in a memory area or an electronic wallet of a smart chip, etc. (S330). A report signal about a normal signature key record is transmitted to the direct trade agent server (S340). The direct trade agent server transmits the second signature key to a buyer side terminal (20) (S350). The second signature key which The buyer side terminal stores or records the second signature key received in a memory area or an electronic wallet of a smart chip (S360). A report signal about a normal signature key record is transmitted to the direct trade agent server (S370). [Reference numerals] (10) Seller side terminal; (20) Buyer side terminal; (30) Direct trade agent server; (S310) Direct trade agent server produces a first signature key which is used when direct trace face-to-face direct trade promised or designated between a seller and a buyer, and a second signature key and a trade accomplishment signature key; (S320) Direct trade agent server transmits the first signature key; (S330,S360) Seller side terminal stores or records the first signature key; (S340,S370) Report normal signature key record; (S350) Direct trade agent server transmits the second signature key |
