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| Payment systems | |
|---|---|
| Name | Payment systems |
| Type | Financial infrastructure |
| Founded | Ancient and evolving |
| Area served | Global |
| Services | Transfers, clearing, settlement, messaging |
Payment systems are the infrastructures, rules, institutions, and technologies that enable transfer of monetary value between parties. They connect banks, central banks, corporations, retail consumers, and platforms to move funds for trade, remittance, payroll, and financial markets, supporting price discovery, liquidity management, and monetary policy transmission. Payment systems underpin Bank of England, Federal Reserve System, European Central Bank, Bank for International Settlements, and national clearinghouses such as Clearing House Interbank Payments System.
Payment systems encompass diverse arrangements run by entities like Visa Inc., Mastercard Incorporated, SWIFT, PayPal Holdings, Western Union, China UnionPay, and national operators such as CHAPS and TARGET2. They interact with central banks including Bank of Japan, Reserve Bank of India, People's Bank of China, and Swiss National Bank to settle interbank obligations. Major market infrastructures include National Payments Corporation of India, EBA Clearing, CLS Group, and Euroclear supporting securities and foreign exchange. Historical milestones involve Bretton Woods Conference, Gold Standard, Telegraph, and SWIFTNet evolution.
Common types include real-time gross settlement (RTGS) systems like Fedwire, batch ACH systems exemplified by NACHA, card networks operated by Visa Inc. and Mastercard Incorporated, and mobile money platforms such as M-Pesa, AliPay, and WeChat Pay. Cross-border systems encompass SWIFT, CLS Group for FX settlement, and remittance providers like Western Union and MoneyGram International. Emerging rails include blockchain-based networks like Bitcoin and Ethereum, stablecoin projects linked to Tether Limited and USD Coin, and central bank digital currency pilots by Bank of England and European Central Bank.
Key participants include commercial banks such as JPMorgan Chase, HSBC, Bank of America, and Deutsche Bank; central counterparties like LCH; custodian banks like BNP Paribas Securities Services and State Street Corporation; payment processors such as Fiserv and Adyen N.V.; card issuers including American Express; and fintechs like Stripe and Square, Inc.. Non-bank actors include PayPal Holdings, Ant Group, Revolut, and TransferWise (now Wise). Regulatory and standards bodies interacting with participants include International Organization for Standardization, Financial Stability Board, Committee on Payments and Market Infrastructures, and Basel Committee on Banking Supervision.
Clearing and settlement stages manifest in systems such as Fedwire, TARGET2, CHAPS, ACH Network (United States), and Euronet Worldwide. Net settlement systems like ACH aggregate transactions for periodic settlement, while RTGS systems settle each instruction individually to reduce credit risk. Securities settlement involves platforms like Euroclear and Clearstream, and derivatives settlement uses central counterparties such as CME Group and ICE. Messaging standards like ISO 20022 and legacy SWIFT MT messages enable interoperability among Banco de España, Banque de France, and other central banks.
Regulation involves supranational actors such as European Commission, International Monetary Fund, World Bank, and Financial Stability Board, and national authorities including Office of the Comptroller of the Currency, Prudential Regulation Authority, Securities and Exchange Commission, and Reserve Bank of Australia. Legal frameworks reference statutes and directives like the Payment Services Directive in the European Union, Dodd–Frank Wall Street Reform and Consumer Protection Act, and national payment laws in jurisdictions such as Singapore and Hong Kong. Licensing, anti-money laundering oversight by Financial Action Task Force, and consumer protection enforced by Consumer Financial Protection Bureau shape market access and conduct.
Risk management draws on practices from central banks and private firms including Bank for International Settlements, Basel Committee on Banking Supervision, and cybersecurity firms collaborating with National Cyber Security Centre (United Kingdom). Measures include know-your-customer rules enforced by Financial Crimes Enforcement Network, two-factor authentication standards like those from FIDO Alliance and tokenization employed by Mastercard Incorporated and Visa Inc.. Anti-fraud analytics are provided by companies such as Experian, Equifax, and TransUnion, while incident response may involve CERT Coordination Center and national agencies including Cybersecurity and Infrastructure Security Agency.
Technologies reshaping payment systems include distributed ledger technology exemplified by Ethereum, Hyperledger Fabric, and Corda; instant payment schemes like Faster Payments Service and UPI; application programming interfaces promoted by Open Banking initiatives in United Kingdom and Australia; and tokenization projects from Apple Inc. and Google LLC via Apple Pay and Google Pay. Innovation labs at Federal Reserve Bank of New York, European Central Bank and private labs such as Mastercard Labs and Visa Research explore central bank digital currencies, cryptographic privacy like zero-knowledge proofs, and interoperability protocols influenced by ISO 20022 and RESTful API standards.