The password serial number of the credit card short message of Bank of Communications is a verification short message (binding verification) that needs to be sent by the banking system when the bank card or credit card pays online. Random verification of short messages can strengthen the security risks of accounts and guarantee the funds of accounts.

Enter the 6 digits in front of the serial number of the password. The password only needs to facilitate the number of times that the bank identification card sends the SMS of the verification system.

As shown in the figure below: