Yes, credit cards and bank cards are chip cards now, and they have quickpass function, that is, fast payment, similar to NFC function. The bank is called electronic cash, which can be transferred to 200 yuan at most without loss reporting, and can only be transferred to bank cards, but only for consumption.

It can be used in buses, subways and POS machines that support fast payment without password.

Yinsheng Chicken, and the second is up. Merchants upload and register independently, so don't worry about information leakage. You can choose your own merchants in the area that does not jump, mcc. App and machine!