ELECTRONIC PAYMENT SYSTEM AND ELECTRONIC METHOD

摘要

PROBLEM TO BE SOLVED: To provide an electronic payment system and an electronic payment method for preventing the store side from grasping a using state of a user. SOLUTION: In this electronic payment system 10 for performing electronic payment by inputting correct user identification information, the system is characterized by having a user identification storage means 22 for storing user identification information, a user identification information changing means 26 for changing the user identification information stored in the user identification information storage means 22, a change informing means 28 for informing the user of the user identification information changed by the user identification information changing means 26, a certifying means 50 for certifying inputted user identification information and the user identification information stored in the user identification storage means 22 and permitting the electronic payment when judging that the inputted user identification information is correct and a payment information storage means 22 for storing information on the electronic payment.