This code is used during the payment of purchases on the Internet and other operations with the card. As mentioned above, it is on its reverse side. These are the last three digits of the seven printed next to the field on which the owner signs "plastic".
CVV comes from the phrase Card Verification Value. This code is applied to the card payment system VISA. At the same time, the MasterCard system uses its analogue CVC (Card Validation Code). Both codes are sometimes confused with the pin and card number. As pin, CVV and CVC are confidential CVV is the code of the authentication card, which is used to protect from unauthorized persons. It is applied on the back of "plastic". In combination with the pin code, number and information about the validity of the card, it makes it unique and prevents fraudsters from using it. Therefore, the CVV-code is very interested in criminals who steal money from accounts. And users need to understand what CVV is on a credit card and where it is located to keep it from third-party eyes.