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2. Mobile payment - Wikipedia

   en.wikipedia.org/wiki/Mobile_payment

   Mobile payment, also referred to as mobile money, mobile money transfer and mobile wallet, is any of various payment processing services operated under financial regulations and performed from or via a mobile device. Instead of paying with cash, cheque, or credit card, a consumer can use a payment app on a mobile device to pay for a wide range ...

3. Contactless payment - Wikipedia

   en.wikipedia.org/wiki/Contactless_payment

   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 making secure payments. The embedded integrated circuit chip and antenna enable consumers to wave their card ...

4. Contactless smart card - Wikipedia

   en.wikipedia.org/wiki/Contactless_smart_card

   Contactless smart card. A contactless smart card is a contactless credential whose dimensions are credit card size. Its embedded integrated circuits can store (and sometimes process) data and communicate with a terminal via NFC. Commonplace uses include transit tickets, bank cards and passports. There are two broad categories of contactless ...

5. Smartphones Are About to Swipe Credit Card Companies' Profits

   www.aol.com/2010/07/06/smartphones-are-about-to...

   As the competition to provide mobile services in the smartphone market intensifies, the once-staid world of credit card processing appears to be headed for a massive price war. Last week, Google ...

6. Square (financial services) - Wikipedia

   en.wikipedia.org/wiki/Square_(financial_services)

   Square is a financial services platform by Block, Inc. for small and medium-sized businesses. [1] [2] It enables accepting credit card payments using smartphones as POS registers, and facilitates various business operations. As of 2023, Square reports 4 million merchant clients and an annual payment value of US$ 210 billion.

7. Can a business charge for using a credit card? - AOL

   www.aol.com/finance/business-charge-using-credit...

   When a business charges a fee for a form of payment, whether in person, online or by phone, it’s called a surcharge. Credit card surcharges are applied when you use your credit card to make a ...