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  2. Address verification service - Wikipedia

    en.wikipedia.org/wiki/Address_verification_service

    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.

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

  4. Postal address verification - Wikipedia

    en.wikipedia.org/wiki/Postal_address_verification

    Postal address verification (also known as address , address validation, address verification and CASS certification [ 1]) is the process used to check the validity and deliverability of a physical mailing address. According to the United States Postal Service, an address is valid (or mailable) if it is CASS-certified, meaning that it exists ...

  5. List of major credit card issuers and networks - AOL

    www.aol.com/finance/list-major-credit-card...

    U.S. Bank Altitude® Reserve Visa Infinite® Card *. U.S. Bank Triple Cash Rewards Visa® Business Credit Card *. Advantages of this card issuer: U.S. Bank credit cards may not be as popular as ...

  6. 3-D Secure - Wikipedia

    en.wikipedia.org/wiki/3-D_Secure

    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]

  7. Check verification service - Wikipedia

    en.wikipedia.org/wiki/Check_verification_service

    Account status verification systems give you the status of the account as of the beginning of the business banking day. They tell you if there is an open active account at that bank and if the check is likely to clear. Status messages such as closed account, NSF, stop payment or invalid account can help determine if a check or ACH transaction ...

  8. 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]

  9. Best Virtual Credit Cards for 2023 - AOL

    www.aol.com/best-virtual-credit-cards-2023...

    Users are eligible for up to $100 credit on Global Entry or TSA PreCheck® and up to $300 back as statement credits for bookings through Capital One Travel. 5. Apple Card. Apple Card is a very ...

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