| 摘要 |
PROBLEM TO BE SOLVED: To cash back by giving points by account settlement with an IC card. SOLUTION: When the account settlement (S102) with an IC card 80 is made (S103: YES) at a settlement terminal 60, the data is transmitted (S105) to a point server 20c to add (S106) the points. The points are transmitted (S109) to a bank computer 40, converted (S110) into cash, and sent (S111) to the settlement terminal 60. The settlement terminal 60 updates (S112) to increase the digital cash balance data of the IC card 80. A user of the IC card 80 can receive the cash back of money corresponding to use contents. |
