1. Payment companies need risk control.

In the past few years, when T+1 arrived, you only needed to submit your ID card and savings card to activate and use it. But now it is the era of T+0 seconds. One card, With one machine and swipe, the funds will be transferred to the debit card in seconds, but in addition to the quick payment, T+0 also provides convenience to many fraudsters. When T+0 first appeared, the risk control technology of payment companies was not particularly good. Credit cards were prone to theft and chargebacks, which caused heavy losses to both agents and payment companies. Therefore, the step of authenticating credit card information came into being. born.

2. Prevent POS machine agents from excessively gathering wool.

3. Information security.