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  2. One-time password - Wikipedia

    en.wikipedia.org/wiki/One-time_password

    MasterCard SecureCode uses OTAC to confirm a user's identity One time authorization code as used in Yammer's desktop client. A one-time password (OTP), also known as a one-time PIN, one-time passcode, one-time authorization code (OTAC) or dynamic password, is a password that is valid for only one login session or transaction, on a computer system or other digital device.

  3. Transaction authentication number - Wikipedia

    en.wikipedia.org/wiki/Transaction_authentication...

    A ChipTAN generator is not tied to a particular account; instead, the user must insert their bank card during use. The TAN generated is specific to the bank card as well as to the current transaction details. There are two variants: In the older variant, the transaction details (at least amount and account number) must be entered manually.

  4. 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.

  5. How to create a one-time use credit card number

    www.aol.com/news/2009-07-20-how-to-create-a-one...

    After reading our recent post about how cashing a Snuggie rebate check could cost you $150, a reader e-mailed to ask for clarification on my advice for using a one-time credit card number to avoid ...

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

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

    If your card number has changed, you must add a new card. 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 new info. 6. Click Submit.

  7. How to manage your account online - AOL

    www.aol.com/manage-account-online-160543079.html

    Step 2: Add a carrier tip, if desired, and fill out your credit card information Step 3: Check the box “Sign me up for automatic payments” Step 4: Confirm the total and click on “Authorize ...