Hello, the verification code is the 3-digit number on the back of the card, which is called the CVV2 code in the industry. It is a verification code that verifies credit card ownership and protects the security of personal information.

CVC (CardVerificationCode) is the additional code printed on the back of the credit card. It is also called CVV (CardVerificationValue), which is the credit card verification value. It is also called CID, which is the credit card security code or personal security code, etc. 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 similar to: 04/18 (month/year) or 18/04 (year/month) on the back of the card; the card issuer or its agent The institution confirms transactions with permitted frozen limits before deducting funds from specially appointed merchants.