If you download this mobile banking directly, there are settings in it, and there is a mobile phone shield in the settings. If you open it, you have to verify it before you can log in. If the verification is not successful, you cannot log in.

Mobile phone shield is a mobile phone password technology that uses mobile phones to realize the traditional USBKEY function. It does not rely on hardware cryptographic chips, but uses software to realize all functions such as reliable cryptographic equipment, cryptographic operation and CA digital certificate. It is the core technology to realize the application security of mobile Internet.