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2. 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 ...

3. 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]

4. 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]

5. How to read your credit card statement - AOL

   www.aol.com/finance/read-credit-card-statement...

   Amount charged or credited. If you have authorized users on your account, the last four digits of the card used could help you identify where or who the purchase stemmed from. If you use mobile ...

6. Payment Card Industry Data Security Standard - Wikipedia

   en.wikipedia.org/wiki/Payment_Card_Industry_Data...

   The Payment Card Industry Security Standards Council (PCI SSC) was then formed, and these companies aligned their policies to create the PCI DSS. [2] MasterCard, American Express, Visa, JCB International and Discover Financial Services established the PCI SSC in September 2006 as an administrative and governing entity which mandates the ...

7. 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 ...