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  2. 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 US patent 2950048A, granted on 23 August 1960. [1]

  3. Address verification service - Wikipedia

    en.wikipedia.org/wiki/Address_verification_service

    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 ...

  4. Check verification service - Wikipedia

    en.wikipedia.org/wiki/Check_verification_service

    Check verification services can use a number of different methods or may combine a number to verify the validity of a check. Negative check database. A negative check database contains a comprehensive list of people who either wrote a bad check at a retail location, paid a bill with a check that was returned, also called "bouncing a check".

  5. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    Payment card numbers are composed of 8 to 19 digits, [ 1] The leading six or eight digits are the issuer identification number (IIN) sometimes referred to as the bank identification number (BIN). [ 2]: 33 [ 3] The remaining numbers, except the last digit, are the individual account identification number. The last digit is the Luhn check digit.

  6. Card security code - Wikipedia

    en.wikipedia.org/wiki/Card_security_code

    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 ...

  7. Credit score - Wikipedia

    en.wikipedia.org/wiki/Credit_score

    The CIBIL credit score is a three digit number that represents a summary of individuals' credit history and credit rating. This score ranges from 300 to 900, with 900 being the best score. Individuals with no credit history will have a score of −1. If the credit history is less than six months, the score will be 0.

  8. Social insurance number - Wikipedia

    en.wikipedia.org/wiki/Social_insurance_number

    A social insurance number card. Note the date of expiration, which implies that the holder is neither a permanent resident nor a Canadian citizen. A social insurance number (SIN) ( French: numéro d'assurance sociale (NAS)) is a number issued in Canada to administer various government programs. The SIN was created in 1964 to serve as a client ...

  9. International Student Identity Card - Wikipedia

    en.wikipedia.org/wiki/International_Student...

    The International Student Identity Card ( ISIC) serves as internationally recognized proof of student status and offers access to various benefits and discounts globally, including travel, accommodation, and cultural institutions. The ISIC Association also issues the International Youth Travel Card (IYTC) for non-students, and the International ...