The bank 12 bit code has many functions. First of all, the bank can identify the basic information such as the issuing bank and the card by the 12 code in the card number, thus ensuring the security and accuracy of the transaction. In addition, the bank code of 12 can also be used to check whether the bank card number is legal and valid to prevent illegal transactions and fraud. In addition, paying attention to the changes of the bank's 12 code can also help us understand the development and changes of the bank card system.
The bank code of 12 is one of the important information of our bank card transaction, and it is also the focus of our account security. In order to protect the security of bank 12 code, we need to take some measures. For example, choose a regular bank to handle accounts and bank cards to ensure that the card presentation and transaction are safe and correct. At the same time, the password should be updated regularly and the transaction of the card should be monitored, and the abnormal situation should be found in time and contacted with the bank to solve it. In short, only by strengthening the security management of bank cards can we really protect ourselves and the bank 12 code.