The method of opening electronic signature for bank cards is as follows: go to the bank counter to sign an electronic signature agreement, and then write down the electronic signature.

Bank card refers to a credit payment tool issued by commercial banks, including postal financial institutions, which has all or part of the functions of consumer credit, transfer settlement, cash deposit and withdrawal, etc. Bank card reduces the circulation of cash and checks, which makes the banking business break through the limitation of time and space and undergo fundamental changes. The application of bank card automatic settlement system makes the dream of "no cheque, no cash society" come true.