To activate the Bank of Communications credit card on WeChat, you need to set the inquiry password: the inquiry password refers to the telephone inquiry password, and you can inquire the account information even if you call customer service, which is generally a combination of 6 digits.

Query password and transaction password are different. The transaction password refers to the online banking login or payment password, which is the password used for online transactions, usually a combination of numbers and passwords.

There is also a withdrawal password: it refers to the password for withdrawing money at ATM machines, counters and other places, usually a combination of 6 digits and pure numbers.