| 摘要 |
<p>A method for providing a financial service using a QR security service according to the present invention comprises the steps of encrypting, by a financial server, a security number of a financial security card to generate a QR security code; storing, by a smart terminal, a QR key required for decrypting the encrypted QR security code; when a financial service providing request is received from the smart terminal or an Internet terminal, requesting, by the financial server, a resultant value regarding a query number required for providing the financial service from the smart terminal; scanning, by the smart terminal, the QR security code to obtain the encrypted security number; decrypting, by the smart terminal, the encrypted security number through the QR key to extract a resultant value regarding the query number; and transmitting, by the smart terminal, the resultant value regarding the query number to the financial server.</p> |
