What does cvv2 of Ping An Bank mean?

CVV2 is the last 3 digits of the signature column on the back of the card, as shown below. 123 is CVV2.

As a security code, CVV2 can be used for online payment. Once the credit card is leaked, it may be used for online consumption. It is recommended to keep it properly.

Error in signature of subject 2 transcript.

Dear friends, I want to write a notice now. It's about changing toilets for men and women. Employees are not allowed to use the elevator during work hours and turn off the lights after class.

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