| 摘要 |
PURPOSE: A method for user to request a credit card transaction and receive an approval with a mobile device and a system thereof are provided to enable a user to perform payment through a smart phone without a credit card, protect credit information of the user, and safely and efficiently process a credit card approval. CONSTITUTION: A mobile device automatically recognizes member store information by using wireless communication technology(S010). The mobile device confirms a price or installment information(S020). The mobile device safely transmits disposable credit card approval information and desired information to a credit card company(S030). A disposable approval code for a corresponding purchase list is generated as a bar code or a QR code(S040). The generated disposable approval code is transmitted(S050). The disposable approval code is displayed as an image or is stored as RFID(Radio Frequency Identification) tag information(S060).
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