Search results
Results From The WOW.Com Content Network
A card security code ( CSC; also known as CVC, CVV, or several other names) is a series of numbers that, in addition to the bank card number, is printed (but not embossed) on a credit or debit card. The CSC is used as a security feature for card not present transactions, where a personal identification number (PIN) cannot be manually entered by ...
An address verification service ( AVS) is a service provided by major credit card processors to enable merchants to authenticate ownership of a credit or debit card used by a customer. [ 1] AVS is done as part of the merchant's request for authorization in a non-face-to-face credit card transaction. The credit card company or issuing bank ...
3-D Secure. 3-D Secure is a protocol designed to be an additional security layer for online credit and debit card transactions. The name refers to the "three domains" which interact using the protocol: the merchant/acquirer domain, the issuer domain, and the interoperability domain. [ 1]
Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [ 1]
Today in the mail, I received a new credit card from Discover. But the question is why. I didn't open a new account. My card hadn't expired. I didn't get a new account number. I hadn't lost the card.
Controlled payment number. A controlled payment number, disposable credit card or virtual credit card is an alias for a credit card number, with a limited number of transactions, and an expiration date between two and twelve months from the issue date. This "alias" number is indistinguishable from an ordinary credit card number, and the user's ...
Accepted payment methods. Credit or debit cards. American Express. Visa (credit or debit) Discover (credit or debit) MasterCard (credit or debit) PayPal (for most online purchases) Direct debit is no longer available for active accounts, however, it can be used to pay past due balances, with a $7 fee.
Discover is the third largest credit card brand in the U.S., with 60.6 million cardholders or about 8% of cards in circulation, placing it well behind Visa (48%) and Mastercard (36%), but slightly ahead of American Express (7.5%).