ELECTRONIC EQUIPMENT, ELECTRONIC MONEY MANAGEMENT DEVICE, ELECTRONIC MONEY MANAGEMENT SYSTEM, ELECTRONIC MONEY MANAGEMENT METHOD, AND PROGRAM
PROBLEM TO BE SOLVED: To refund electronic money to original funds. SOLUTION: An account management device 23 stores an account of a user into a first account for managing the funds not to be used for the electronic money and a second account for managing the funds to be used for the electronic mone...
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