1. There have been abnormal transactions such as malicious cashing, forged information, and continuous password errors in the credit card.

2. For overdrawn bank cards, when the overdraft exceeds the share, the bank will immediately freeze the bank card.

3. If you enter the password three times in a row, the banking system will automatically lock your bank card password, which is similar to freezing, not freezing. It will be released automatically after 24 hours.