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2. Mobile payment - Wikipedia

   en.wikipedia.org/wiki/Mobile_payment

   The first patent exclusively defined "Mobile Payment System" was filed in 2000. [4] In a developing country , mobile payment solutions can be deployed as a means of extending financial services to the community known as the " unbanked " or " underbanked ", which is estimated to be as much as 50 percent of the world's adult population, according ...

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. Payment system - Wikipedia

   en.wikipedia.org/wiki/Payment_system

   A payment system is any system used to settle financial transactions through the transfer of monetary value. This includes the institutions, payment instruments such as payment cards, people, rules, procedures, standards, and technologies that make its exchange possible. [1] [2] A payment system is an operational network which links bank ...

5. Digital wallet - Wikipedia

   en.wikipedia.org/wiki/Digital_wallet

   Digital wallet. A digital wallet, also known as an e-wallet or mobile wallet, is an electronic device, online service, or software program that allows one party to make electronic transactions with another party bartering digital currency units for goods and services. This can include purchasing items either online or at the point of sale in a ...

6. QR code payment - Wikipedia

   en.wikipedia.org/wiki/QR_code_payment

   QR code payment is a contactless 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 ...

7. History of mobile phones - Wikipedia

   en.wikipedia.org/wiki/History_of_mobile_phones

   Mobile payments were trialed in 1998 in Finland and Sweden where a mobile phone was used to pay for a Coca-Cola vending machine and car parking. Commercial launches followed in 1999 in Norway. The first commercial payment system to mimic banks and credit cards was launched in the Philippines in 1999 simultaneously by mobile operators Globe and ...