What is CVV2 in the registration form?
CVV2/CVC2 is a new authentication procedure established by credit card companies to further efforts towards reducing fraud for internet transactions. It helps ascertain that the customer placing the order actually possesses the credit/debit card and that the card account is legitimate. This new feature is a 3 or 4-digit code which provides a cryptographic check of the information embossed on the card. Therefore, the CVV code is not part of the card number itself. The back panel of most Visa cards contain on a signature panel the full 16-digit account number, followed by the CVV/CVC code. Some banks, though, only show the last four digits of the account number followed by the code.
