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  2. Unified Payments Interface - Wikipedia

    en.wikipedia.org/wiki/Unified_Payments_Interface

    Unified Payments Interface, commonly referred to as UPI, is an Indian instant payment system as well as protocol developed by the National Payments Corporation of India (NPCI) in 2016. The interface facilitates inter-bank peer-to-peer (P2P) and person-to-merchant (P2M) transactions. [ 1 ][ 2 ] It is used on mobile devices to instantly transfer ...

  3. Peer-to-peer transaction - Wikipedia

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

    Peer-to-peer transactions (also referred to as person-to-person transactions, P2P transactions, or P2P payments) are electronic money transfers made from one person to another through an intermediary, typically referred to as a P2P payment application. P2P payments can be sent and received via mobile device or any home computer with access to ...

  4. Gun show loophole - Wikipedia

    en.wikipedia.org/wiki/Gun_show_loophole

    Sometimes referred to as the Brady bill loophole, [11] the Brady law loophole, [12] the gun law loophole, [13] or the private sale loophole, [14] [15] [16] the term refers to a perceived gap in laws that address what types of sales and transfers of firearms require records and or background checks, such as in the Brady Handgun Violence Prevention Act. [17]

  5. Point-to-multipoint communication - Wikipedia

    en.wikipedia.org/wiki/Point-to-multipoint...

    Point-to-multipoint is the most popular approach for wireless communications that have a large number of nodes, end destinations or end users. Point to Multipoint generally assumes there is a central base station to which remote subscriber units or customer premises equipment (CPE) (a term that was originally used in the wired telephone ...

  6. 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 ...

  7. Payment gateway - Wikipedia

    en.wikipedia.org/wiki/Payment_gateway

    A payment gateway is a merchant service provided by an e-commerce application service provider that authorizes credit card or direct payment processing for e-businesses, online retailers, bricks and clicks, or traditional brick and mortar. [1] The payment gateway may be provided by a bank to its customers, but can be provided by a specialised ...

  8. Payment terminal - Wikipedia

    en.wikipedia.org/wiki/Payment_terminal

    A payment terminal allows a merchant to capture required credit and debit card information and to transmit this data to the merchant services provider or bank for authorization and finally, to transfer funds to the merchant. The terminal allows the merchant or their client to swipe, insert or hold a card near the device to capture the information.

  9. Peer-to-peer - Wikipedia

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

    Peer-to-peer. Peer-to-peer (P2P) computing or networking is a distributed application architecture that partitions tasks or workloads between peers. Peers are equally privileged, equipotent participants in the network, forming a peer-to-peer network of nodes. [1] In addition, a personal area network (PAN) is also in nature a type of ...