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  2. PayPal - Wikipedia

    en.wikipedia.org/wiki/PayPal

    eBay, PayPal, Kijiji and StubHub, 500 King Street West, Toronto, April 2014. PayPal Holdings, Inc. is an American multinational financial technology company operating an online payments system in the majority of countries that support online money transfers; it serves as an electronic alternative to traditional paper methods such as checks and money orders.

  3. QR code payment - Wikipedia

    en.wikipedia.org/wiki/QR_code_payment

    A QR code payment is a mobile payment method where payment is performed by scanning a QR code from a mobile app. [1] This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. [2] This avoids a lot of the infrastructure traditionally associated with electronic payments such as payment cards, payment ...

  4. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    A captcha (/ ˈkæp.tʃə / KAP-chə, originally the acronym CAPTCHA) [1][2][3][4] is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam. [5]

  5. Transaction authentication number - Wikipedia

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

    A transaction authentication number (TAN) is used by some online banking services as a form of single use one-time passwords (OTPs) to authorize financial transactions. TANs are a second layer of security above and beyond the traditional single-password authentication. TANs provide additional security because they act as a form of two-factor ...

  6. Timeline of PayPal - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_PayPal

    PayPal unveils PayPal Here, its new global payment platform for small and medium-sized businesses, with a swipe-free option for customers, developed in collaboration with card.io. [42] [43] 2012: April 4: Product: PayPal rebrands its services for small businesses as PayPal Payments and debuts a number of online, offline, and mobile payment ...

  7. Tokenization (data security) - Wikipedia

    en.wikipedia.org/wiki/Tokenization_(data_security)

    When a payment card authorization request is made to verify the legitimacy of a transaction, a token might be returned to the merchant instead of the card number, along with the authorization code for the transaction. The token is stored in the receiving system while the actual cardholder data is mapped to the token in a secure tokenization system.

  8. Security token - Wikipedia

    en.wikipedia.org/wiki/Security_token

    A GoldKey security token connected to a laptop. A security token is a peripheral device used to gain access to an electronically restricted resource. The token is used in addition to, or in place of, a password. [1] Examples of security tokens include wireless key cards used to open locked doors, a banking token used as a digital authenticator ...

  9. PayPal Honey - Wikipedia

    en.wikipedia.org/wiki/PayPal_Honey

    209 (worldwide, 2018) Parent. PayPal [1] Website. joinhoney.com. PayPal Honey, formerly known as Honey, is an American technology company and a subsidiary of PayPal known for developing a browser extension that aggregates and automatically applies online coupons on eCommerce websites.