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  2. What is a credit card security code? - AOL

    www.aol.com/finance/credit-card-security-code...

    A credit card security code is a three- or four-digit code that’s unique to your card. In case a merchant asks, the security code goes by a few different names , mainly the: Card Verification ...

  3. Add, edit, or delete a payment method for AOL services

    help.aol.com/articles/update-your-payment-method

    1. Sign in to your My Account page. 2. Click My Wallet. 3. Click Payment Methods. 4. Click Add Credit or Debit Card. 5. Enter the required info. 6. Click Submit.

  4. View your AOL billing statement online

    help.aol.com/articles/how-do-I-view-my-billing...

    You can view your AOL billing statement on a computer by following the steps below. 1. Go to MyAccount and sign in. 2. In the left navigation menu, click My Wallet | select View My Bill.

  5. How to file a claim to get $2,500 from a Cash App ... - AOL

    www.aol.com/news/file-claim-2-500-cash-220654189...

    Cash App customers may be able to claim more than $2,500 each as part of a $15 million class-action settlement for data and security breaches at the mobile payment service.

  6. How to get a refund for a fraudulent credit card transaction

    www.aol.com/finance/refund-fraudulent-credit...

    Suspecting a fraudulent credit card transaction should not be overlooked and can be addressed through certain protections and a refund process with the card issuer.

  7. 3-D Secure - Wikipedia

    en.wikipedia.org/wiki/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.

  8. Payment card number - Wikipedia

    en.wikipedia.org/wiki/Payment_card_number

    Partial IIN on a credit card (both printed and embossed) The first six or eight digits of a card number (including the initial MII digit) are known as the issuer identification number (IIN). These identify the card issuing institution that issued the card to the card holder. The rest of the number is allocated by the card issuer.

  9. Online authorisation - Wikipedia

    en.wikipedia.org/wiki/Online_authorisation

    Online Authorization (OLA) is a system used to verify a transaction on a payment card (e.g. credit card). [1] The term 'on-line' refers to the real-time nature of the verification. In other words, if the account is overdrawn, in most cases, the transaction will be refused.