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  2. Credit card - Wikipedia

    en.wikipedia.org/wiki/Credit_card

    Due to strict regulations regarding bank overdrafts, some countries, France in particular, were much quicker to develop and adopt chip-based credit cards which are seen as major anti-fraud credit devices. Debit cards, online banking, ATMs, mobile banking, and installment plans are used more widely than credit cards in some countries. It took ...

  3. Discover Card - Wikipedia

    en.wikipedia.org/wiki/Discover_Card

    Discover is the third largest credit card brand in the U.S., with 60.6 million cardholders or about 8% of cards in circulation, placing it well behind Visa (48%) and Mastercard (36%), but slightly ahead of American Express (7.5%).

  4. Online transaction processing - Wikipedia

    en.wikipedia.org/wiki/Online_transaction_processing

    The term "transaction" can have two different meanings, both of which might apply: in the realm of computers or database transactions it denotes an atomic change of state, whereas in the realm of business or finance, the term typically denotes an exchange of economic entities (as used by, e.g., Transaction Processing Performance Council or commercial transactions.

  5. Indian Army - Wikipedia

    en.wikipedia.org/wiki/Indian_Army

    The Indian Army is the land-based branch and largest component of the Indian Armed Forces.The President of India is the Supreme Commander of the Indian Army, [3] and its professional head is the Chief of Army Staff (COAS).

  6. Mobile payment - Wikipedia

    en.wikipedia.org/wiki/Mobile_payment

    It is a true alternative payment method that does not require the use of credit/debit cards or pre-registration at an online payment solution such as PayPal, thus bypassing banks and credit card companies altogether.

  7. Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

  8. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    It is not intended to be a cryptographically secure hash function; it was designed to protect against accidental errors, not malicious attacks. Most credit cards and many government identification numbers use the algorithm as a simple method of distinguishing valid numbers from mistyped or otherwise incorrect numbers.

  9. Stripe, Inc. - Wikipedia

    en.wikipedia.org/wiki/Stripe,_Inc.

    Irish entrepreneur brothers John and Patrick Collison founded Stripe in Palo Alto, California, in 2010, [9] and serve as the company's president [10] and CEO, [11] respectively. . In 2011 the company received a $2 million investment, including contributions from Elon Musk, PayPal founder Peter Thiel, Irish entrepreneur Liam Casey, [12] and venture capital firms Sequoia Capital, Andreessen ...