VV2 code, also known as "credit card verification code", is a security code for credit card transactions.

CVV (CardVerificationValue) is the credit card verification value, and some are also called CID, which is the credit card security code or personal security code, etc. All names refer to the same verification code. Please note that this verification code does not refer to the credit card password. (Generally speaking, only credit cards issued domestically may have a password, while credit cards issued overseas do not have a password.) The display location is on the back of the credit card, with the top end of the signature in italics. The first four digits are the card number, and the last three digits are the verification code.

The credit card verification code is the last three digits on the back of the card; the validity period is a number on the back of the card similar to: 04/18 (month/year) or 18/04 (year/month); the card issuer or its agent The institution confirms transactions with permitted frozen limits before deducting funds from specially appointed merchants. Used to verify that the payer owns the credit card at the time of transaction, thereby preventing credit card fraud.

The CVV2 code is equivalent to the "ID card" of a credit card. Card holders can use this code to make consumption transactions.

It is understood that overseas website shopping does not require a password, as long as the cardholder provides the account number and verification code to complete the transaction.

There are also domestic merchants who have signed contracts with banks, and no password is required for online or telephone transactions. Transfers can be completed with only verification codes.

Credit Manager reminds: Card number, validity period, digital verification code on the back of the card, mobile phone verification code and other information are important payment information for credit cards. Do not tell others, especially the digital verification code on the back of the card. Cardholder’s identity verification information.

No bank staff will ask for SMS verification codes from cardholders. If someone asks for it, it may be considered a fraud and the police will be called immediately.

At the same time, it is recommended that cardholders can cut a small piece of tape to stick the CVV2 code to prevent leakage. In particular, do not let the credit card out of your sight when making purchases, and do not hand the card to the clerk for checkout to prevent the card information from being viewed by outsiders.