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  2. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    A payment card number, primary account number ( PAN ), or simply a card number, is the card identifier found on payment cards, such as credit cards and debit cards, as well as stored-value cards, gift cards and other similar cards. In some situations the card number is referred to as a bank card number.

  3. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    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 U.S. Patent No. 2,950,048, granted on August 23, 1960.

  4. Credit card - Wikipedia

    en.wikipedia.org/wiki/Credit_card

    Portal. v. t. e. A credit card is a payment card, usually issued by a bank, allowing its users to purchase goods or services or withdraw cash on credit. Using the card thus accrues debt that has to be repaid later. [1] Credit cards are one of the most widely used forms of payment across the world.

  5. What Do Credit Card Numbers Mean? - AOL

    www.aol.com/credit-card-numbers-mean-110123094.html

    Card Issuer. IIN. Card Type. American Express. 379741. American Express Credit. Bank of America. 480011. Bank of America Visa Gold. Capital One. 414709. Capital One Signature Visa

  6. Debits and credits - Wikipedia

    en.wikipedia.org/wiki/Debits_and_credits

    Debits and credits in double-entry bookkeeping are entries made in account ledgers to record changes in value resulting from business transactions. A debit entry in an account represents a transfer of value to that account, and a credit entry represents a transfer from the account. [1] [2] Each transaction transfers value from credited accounts ...

  7. Carding (fraud) - Wikipedia

    en.wikipedia.org/wiki/Carding_(fraud)

    Carding is a term of the trafficking and unauthorized use of credit cards. [1] The stolen credit cards or credit card numbers are then used to buy prepaid gift cards to cover up the tracks. [2] Activities also encompass exploitation of personal data, [3] and money laundering techniques. [4] Modern carding sites have been described as full ...

  8. Tokenization (data security) - Wikipedia

    en.wikipedia.org/wiki/Tokenization_(data_security)

    Tokenization, when applied to data security, is the process of substituting a sensitive data element with a non-sensitive equivalent, referred to as a token, that has no intrinsic or exploitable meaning or value. The token is a reference (i.e. identifier) that maps back to the sensitive data through a tokenization system.

  9. Do Credit Cards Have Routing Numbers? - AOL

    www.aol.com/credit-cards-routing-numbers...

    All American Express account numbers start with a 37 or 34, while credit card account numbers issued by Mastercard start with a 5. After those first numbers, the next six to eight digits indicate ...