CARD SETTLEMENT MEMBER STORE TERMINAL, CARD SETTLEMENT SERVICE SYSTEM AND CARD EFFECTIVENESS JUDGING METHOD FOR CARD SETTLEMENT

摘要

PROBLEM TO BE SOLVED: To prevent fraudulent usage by someone other than the principal in a card settlement by a credit card, a prepaid card, a debit card or the like. SOLUTION: Positional information sent from a plurality of mobile terminals is managed as a positional data base per cashless card specified from the mobile terminal. The member store terminal installed in a member store handling the card to sell merchandise using the card refers card settlement classification information in a card settlement regarding the card, and when the card settlement classification information prohibits or allows the card settlement in accordance with the positional information at the time of the card settlement, it refers the positional information at the time of a card approval.