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Mobile payment service method and system for preventing personal information leakage duplicate payment overpayment or settlement error by inputting a payment amount by a user directly and paying a one-time payment security code generated by a financial institution in on/offline transaction
Mobile payment service method and system for preventing personal information leakage duplicate payment overpayment or settlement error by inputting a payment amount by a user directly and paying a one-time payment security code generated by a financial institution in on/offline transaction
The present invention relates to a method and a system for a mobile payment service preventing personal information spill, double payment, excessive payment or payment errors by enabling a user to directly input a payment amount for online or offline payment and make payment through a disposable payment security code received from a financial institution. The method includes the following steps of: installing a disposable payment security code application in a user terminal; encrypting and storing unique user identification information and payment method information; performing user authentication; generating and delivering a disposable payment security code to the user terminal; and finally confirming whether the disposable payment security code is used or not and displaying the information on the user terminal.
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