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2. 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 ...

3. Mobile payment - Wikipedia

   en.wikipedia.org/wiki/Mobile_payment

   QR codes can be of two main categories: [49] [citation needed] The QR code is presented on the mobile device of the person paying and scanned by a POS or another mobile device of the payee; The QR code is presented by the payee, in a static or one time generated fashion and it is scanned by the person executing the payment

4. Unified Payments Interface - Wikipedia

   en.wikipedia.org/wiki/Unified_Payments_Interface

   For real-time payments from one bank account to another, any UPI client app can be used and multiple bank accounts can be linked to a single app. Money can be sent or requested using a user-created Virtual Payment Address (VPA) or UPI ID for each bank account using the KYC-linked mobile number. UPI also generates a specific QR code for each ...

5. Is it safe to link bank accounts?

   www.aol.com/finance/safe-bank-accounts-163910379...

   Key takeaways. Linking bank accounts enables you to transfer funds between two accounts. Having linked accounts can prove useful when you want to pay bills or add money to your savings. To help ...

6. Peer-to-peer transaction - Wikipedia

   en.wikipedia.org/wiki/Peer-to-peer_transaction

   Through the P2P payment application, each individual's account is linked to one or more of the user's bank accounts. When a transaction occurs, the account balance in the application records the transaction and either sends or pulls money directly to the user's bank account or stores it in the user's account within the application.

7. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_code

   The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [5] [6] [7] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...