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  2. 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]

  3. Citi Easy Deals: How To Get Discounts on Gift Cards, Travel ...

    www.aol.com/finance/citi-easy-deals-discounts...

    Go to the Citi Easy Deals website and click “Get Started.”. You’ll need to provide your full name, the last four digits of your Citi card number and your ZIP code. From there, you can set up ...

  4. Newest Citibank Promotions, Bonuses, Offers and Coupons: June ...

    www.aol.com/finance/newest-citibank-promotions...

    Citibank is known for its credit cards. Read on for the best current offers that will have you raking in the rewards. Citi Premier Card: 60,000 Bonus Points ($600 Value) The Citi Premier credit ...

  5. How To Open a Citibank Account - AOL

    www.aol.com/open-citibank-account-090000281.html

    To apply online, follow these steps: Go to the Citibank homepage. Click on “Open an account” in the top right. Select the account you would like to open. Fill out the necessary information ...

  6. Contactless payment - Wikipedia

    en.wikipedia.org/wiki/Contactless_payment

    EMV contactless symbol used on compatible payment terminals. EMV stands for "Europay, Mastercard, and Visa", the three companies that created the standard.Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for ...

  7. Multi-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Multi-factor_authentication

    Multi-factor authentication is typically deployed in access control systems through the use, firstly, of a physical possession (such as a fob, keycard, or QR-code displayed on a device) which acts as the identification credential, and secondly, a validation of one's identity such as facial biometrics or retinal scan.

  8. Citibank - Wikipedia

    en.wikipedia.org/wiki/Citibank

    Citibank, N.A. Citigold's branding, advertising additional benefits for customers with $200,000 at the firm. Citibank, N.A. ("N. A." stands for "National Association"; stylized as citi bank) is the primary U.S. banking subsidiary of Citigroup, a financial services multinational corporation. [2] Citibank was founded in 1812 as City Bank of New ...

  9. What Is a Credit Card Security Code and Why Is It ... - AOL

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

    A card security code is a three- or four-digit number on the back of credit and debit cards that ensures the authenticity of transactions when a physical card is not presented at the point of sale ...