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MOBILE PAYMENT SERVICE METHOD AND SYSTEM FOR PREVENTING LEAKAGE OF PERSONAL INFORMATION, DOUBLE PAYMENT, OVERPAYMENT, OR PAYMENT ERROR, BY ALLOWING USER TO DIRECTLY INPUT PAYMENT AMOUNT, RECEIVE ONE-TIME PAYMENT SECURITY CODE GENERATED BY FINANCIAL INSTITUTION, AND MAKE PAYMENT AT THE TIME OF MAKING ONLINE OR OFFLINE PAYMENT
MOBILE PAYMENT SERVICE METHOD AND SYSTEM FOR PREVENTING LEAKAGE OF PERSONAL INFORMATION, DOUBLE PAYMENT, OVERPAYMENT, OR PAYMENT ERROR, BY ALLOWING USER TO DIRECTLY INPUT PAYMENT AMOUNT, RECEIVE ONE-TIME PAYMENT SECURITY CODE GENERATED BY FINANCIAL INSTITUTION, AND MAKE PAYMENT AT THE TIME OF MAKING ONLINE OR OFFLINE PAYMENT
The present invention relates to a mobile payment service method and system for preventing leakage of personal information, a double payment, an overpayment, or a payment error, by allowing a user to directly input a payment amount, receive a one-time payment security code generated by a financial institution, and make payment at the time of making online or offline payment. Particularly, the present invention relates to a mobile payment service method and system for preventing leakage of personal information, a double payment, an overpayment, or a payment error, by allowing a user to directly input a payment amount, receive a one-time payment security code generated by a financial institution, and make payment at the time of making online or offline payment, wherein when a payment procedure is performed through a store terminal by using payment means-related personal information stored in a mobile terminal, a user directly identifies a payment amount and inputs same to a user terminal, the user terminal receives a one-time payment security code generated by a financial institution which processes a corresponding payment, and makes online or offline payment by using the one-time payment security code corresponding to the payment amount, so as to transfer, to the store terminal, only payment approval information of the amount specified by the user.
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