| 摘要 |
PROBLEM TO BE SOLVED: To provide a coupon realization system capable of realizing a coupon so that a shopping can be performed. SOLUTION: This system comprises a customer account storage part 13 for storing a customer account file 15 for recording the digital cache corresponding to the money the customer had; a store account storage part 14 for storing a store account file 16 for recording the digital cache corresponding to the money the store had; a data receiving means 9 for receiving a coupon data related to the coupon used in the store by the customer from the store terminal possessed by the store; a digital cache converting means 11 for converting the coupon sum used by the customer, of the received coupon data, to the digital cache corresponding to this coupon sum; and a digital cache moving means 17 for subtracting at least a part of the converted digital cache from the store account file 16 and moving it to the customer account file 15. Accordingly, the coupon can be realized so that a shopping can be performed. |
