| 主权项 |
1. A method comprising:
creating a virtual payment card, the virtual payment card having a unique identifier and a virtual payment card balance; linking, with a processor, a primary account number of a physical payment card to the virtual payment card; receiving a financial transaction request message, via a network interface, the financial transaction request message containing a transaction amount and the primary account number of the physical payment card; substituting, with the processor, the primary account number of the physical payment card with the unique identifier of the virtual payment card; approving or declining a financial transaction for the transaction amount using the substituted unique identifier; transmitting, via the network interface, an approval message, when the financial transaction is approved; and transmitting, via the network interface, a decline message, when the financial transaction is declined. |
