City one-card payment system
A payment system and cartoon technology, applied in the payment system structure, instruments, data processing applications, etc., can solve the problems of high investment cost, limited number of delivery points, and few types of payment services, and ensure payment security, payment operation is simple, The effect of various types of payment
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[0013] The user applies for the city card payment card at the bank, and divides the main payment card and the auxiliary payment card. The main payment card and the auxiliary payment card share a bank account. The main payment card supports payment, consumption, deposit and withdrawal, and transfer functions; the auxiliary payment card only supports Payment and deposit functions. Use the secondary card when paying the fee. Even if it is lost or stolen, it will not affect the account information and bring economic losses to the user.
[0014] The user uses the secondary payment card on the payment terminal. After the card reader of the payment terminal reads the card number information, it sends the information in the form of a message to the enterprise database of the data server through the Internet network. The enterprise database is connected to the bank business database through a designated port , and send the card number information to the banking database in the banking...
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