COMMERCIAL TRANSACTION MEDIATION METHOD, COMMERCIAL TRANSACTION MEDIATION DEVICE, COMPUTER PROGRAM, AND TRANSACTION MEDIATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a commercial transaction mediation method, commercial transaction mediation device, computer program and transaction mediation system which set the selling amount of a point (valuable value unit) to a proper amount according to a basic amount.;SOLUTION: A selling amount and a buying amount of the valuable value unit of a transaction object managed by an agent server 24 are accepted from a user terminal 22, and stored in a hard disk 13. In a mediation server 10 for mediating a transaction of the valuable value unit, the basic mount of the valuable value unit of the transaction object is stored in the hard disk 13, and the basic amount stored in the hard disk 13 is changed according to a change in the transaction state. The selling amount stored in the hard disk 13 is changed according to a change in the basis amount.;COPYRIGHT: (C)2005,JPO&NCIPI