The are required by payment systems such as MasterCard and Visa to authenticate their credit or debit cards. 'CVV2' or 'Card Verification Value 2' -Visa.'CVE' or 'Elo Verification Code' - Elo - Brazil.'CVN2' or 'Card Validation Number 2' - China UnionPay.'CSC' or 'Card Security Code' - Debit Card.'CVC2' or 'Card Validation Code' - MasterCard.'CID' or 'Card Identification Number' - Discover.'CID' or 'Unique Card Code' - American Express.The card security code is located on the back of Visa, MasterCard, Diners Club, Discover, and JCB debit or credit cards and is typically a separate group of 3 digits to the right of the signature strip.ĬVVs, CVV2s called card verification data, card verification number, card verification value, card security code (CSC), are 3-digit Card Verification Values that are all calculated using the same CVV algorithm, for 'card not present' payment card transactions instituted to reduce the incidence of credit card fraud. If you want to validate a credit card with cvv number, here is a Credit Card and CCV Validator.
