How does the social security card know that a financial account has been opened?

The social security card knows that the financial account has been opened as follows:

1. Inquire through the bank counter: bring my valid ID card and social security card to the bank counter to ask the staff.

2.ATM inquiry: insert the social security card into the ATM, enter the password, select to inquire about the social security card information, and confirm whether the financial function is enabled.

3. Use mobile banking or online banking to inquire: log in to mobile banking or online banking APP, select social security card management, and enter the social security card number and password to inquire.

4. Inquiry with Alipay: Click "Citizen Center" on Alipay homepage, select "Social Security", and then click "Social Security Inquiry", and select card information inquiry in the service to check whether the financial function is enabled.