Electronic payment system

摘要: The present invention provides an electronic payment system with which even without operation for by a customer who has card etc. payment, credit processing can be performed in advance based on personal identification information of the and therefore, at time register, communications host are omitted, made short time. detects ID symbol portable telephone 1 comprising IC installed inside middle-distance communication functions 12 31 , introduces authentication data usable upper limit amount user from server 4 shop 3 stores credits these advance, when terminal 2 11 is authenticated using stored purchase within amount.