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  2. PayNow - Wikipedia

    en.wikipedia.org/wiki/PayNow

    PayNow is a near-instant real-time payment system developed by Association of Banks in Singapore. [1] The interface facilitates inter-bank peer-to-peer and person-to-merchant transactions. The system is supported by all major Singaporean banks and is regulated by the Monetary Authority of Singapore (MAS) and works by transferring funds between ...

  3. ISO 8583 - Wikipedia

    en.wikipedia.org/wiki/ISO_8583

    The vast majority of transactions made when a customer uses a card to make a payment in a store use ISO 8583 at some point in the communication chain, as do transactions made at ATMs. In particular, the Mastercard , Visa and Verve networks base their authorization communications on the ISO 8583 standard, as do many other institutions and networks.

  4. Card-not-present transaction - Wikipedia

    en.wikipedia.org/wiki/Card-not-present_transaction

    Card-not-present transactions are a major route for credit card fraud, because it is difficult for a merchant to verify that the actual cardholder is indeed authorizing a purchase. If a fraudulent CNP transaction is reported, the acquiring bank hosting the merchant account that received the money from the fraudulent transaction must make ...

  5. Unified Payments Interface - Wikipedia

    en.wikipedia.org/wiki/Unified_Payments_Interface

    With UPI representing 62% of digital payment transactions in FY 2022–2023, it has been the primary driver of the overall development of digital payment transactions in India. [ 105 ] In January 2024, the value of UPI transactions reached ₹18.41 trillion, a slight increase of 1% from ₹ 18.23 trillion in December 2023.

  6. Card Transaction Data - Wikipedia

    en.wikipedia.org/wiki/Card_Transaction_Data

    When a transaction is made, the card holder is offered a paper or electronic transaction record containing information about the purchase. This includes: transaction amount, transaction number, transaction date and time, transaction type (deposits, withdrawal, purchase or refund), type of account being debited or credited, card number, identity of the card acceptor (organization/store address ...

  7. Secure Electronic Transaction - Wikipedia

    en.wikipedia.org/wiki/Secure_Electronic_Transaction

    Secure Electronic Transaction (SET) is a communications protocol standard for securing credit card transactions over networks, specifically, the Internet.SET was not itself a payment system, but rather a set of security protocols and formats that enabled users to employ the existing credit card payment infrastructure on an open network in a secure fashion.

  8. 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.

  9. Regulation D (FRB) - Wikipedia

    en.wikipedia.org/wiki/Regulation_D_(FRB)

    Regulation D was known directly to the public for its former provision that limited withdrawals or outgoing transfers from a savings or money market account. No more than six such transactions per statement period could be made from an account by various "convenient" methods, which included checks, debit card payments, and automatic transactions such as automated clearing house transfers or ...