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Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Payments & settlement

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. A payment system is an operational network which links bank accounts and provides for monetary exchange using bank dep

Payments & settlement

Payment terminal

A payment terminal, also known as a point of sale (POS) terminal, card machine, credit card machine, card reader, PIN pad, EFTPOS terminal (or by the older term as PDQ terminal which stands for "Process Data Quickly"), is a device which interfaces with payment cards to make electronic funds transfers. The terminal typically consists of a secure keypad (called a PINpad) for entering PIN,

Payments & settlement

PayPal

PayPal Holdings, Inc. is an American multinational financial technology company operating an online payments system in the majority of countries that support online money transfers; it serves as an electronic alternative to traditional paper methods such as checks and money orders. The company operates as a payment processor for online vendors, auction sites and many other commercial and

Payments & settlement

PayPoint

PayPoint plc is a British company that provides multichannel payment and retail services across the United Kingdom. Founded in 1996, the company facilitates payments through a nationwide network of convenience stores and offers services including bill payment, mobile phone top-ups, parcel delivery and collection, and Open Banking integrations.

Payments & settlement

PaysafeCard

PaysafeCard (until 2024 stylized paysafecard) is a prepaid e-commerce payment solution powered by vouchers. It is part of Paysafe, a global payments platform. PaysafeCard allows customers to pay online without providing personal financial information.

Payments & settlement

Pepper (payment application)

Pepper (Hebrew: פפר) is an Israeli online banking service of Bank Leumi where all banking services are offered exclusively through a mobile app.

Finance

Peter's Pence

Peter's Pence (or Denarii Sancti Petri and "Alms of St Peter") are donations or payments made directly to the Holy See of the Catholic Church. The practice began under the Saxons in England and spread through Europe. Both before and after the Norman Conquest the practice varied by time and place: initially, it was given as a pious contribution, whereas later it was required by various ru

Finance

Petrodollar recycling

Petrodollar recycling is the international spending or investment of a country's revenues in U.S. dollars from petroleum exports ("petrodollars"). It generally refers to the phenomenon of major petroleum-exporting states, mainly the OPEC members plus Russia and Norway, earning more money from the export of crude oil than they could efficiently invest in their own economies. The resulting

Payments & settlement

PhonePe

PhonePe is an Indian digital payments and financial services company, headquartered in Bengaluru. It was founded in December 2015, by Sameer Nigam, Rahul Chari and Burzin Engineer. The PhonePe app, based on the Unified Payments Interface, went live in August 2016.

Payments & settlement

Pix (payment system)

Pix (Portuguese pronunciation: [ˈpiks]) is an instant payment platform created and managed by the Central Bank of Brazil (BCB). It enables free instant transfers between individuals in Brazilian real 24 hours a day without interruption, even outside banking hours and during holidays or weekends; payments made and received by legal entities may be subject to fees.

Fiat currencies

Plaza Accord

The Plaza Accord was a joint agreement signed on September 22, 1985, at the Plaza Hotel in New York City, between France, West Germany, Japan, the United Kingdom, and the United States, to depreciate the U.S. dollar in relation to the French franc, the German Deutsche Mark, the Japanese yen and the British pound sterling by intervening in currency markets. The U.S. dollar depreciated sig

Payments & settlement

Point of sale

The point of sale (POS), or point of purchase (POP), is the time and place at which a retail transaction is completed. At the point of sale, the merchant calculates the amount owed by the customer, indicates that amount, may prepare an invoice for the customer (which may be a cash register printout), and indicates the options for the customer to make payment. It is also the point at wh

Fiat currencies

Polak model

The Polak model is a monetary approach to the balance of payment published by J. J. Polak in 1957. It seeks to model a small, open economy operating under fixed nominal exchange rate. Polak suggest explicit links between the monetary and external sectors. Polak results continue to form the theoretical bases on which the IMF Financial Programming are carried out.

Trading basics

Polymarket

Polymarket is an American cryptocurrency-based prediction market which offers a platform where individuals can place bets on future outcomes, including sports matches, economic indicators, weather patterns, awards, political and legislative outcomes, and military conflicts. Participants can deposit cryptocurrency through the Polygon blockchain network and trade shares that represent the

Finance

Pooled income fund

The Pooled Income Fund (PIF) is a type of charitable mutual fund or charitable trust that pools the securities or cash separately donated by an individual, a family or a corporation to a charity, which is then invested to provide dividends for both the donor's beneficiary and charity. The donations are irrevocable and tax-deductible and must be from personal assets. Capital gains taxes d

Payments & settlement

Prepayment for service

Prepaid refers to goods and services paid for in advance. Examples include postage stamps, attorneys, tolls, public transit cards like the Greater London Oyster card, pay as you go cell phones, and stored-value cards such as gift cards and preloaded credit cards.

Banking

Private banking

Private banking is a general description for banking, investment and other financial services provided by banks and financial institutions primarily serving high-net-worth individuals (HNWIs) – those with very high income or substantial assets. Private banking is presented by those who provide such services as an exclusive subset of wealth management services, provided to particularly af

Trading basics

Profit motive

In economics, the profit motive is the motivation of firms that operate so as to maximize their profits. Mainstream microeconomic theory posits that the ultimate goal of a business is "to make money" - not in the sense of increasing the firm's stock of means of payment (which is usually kept to a necessary minimum because means of payment incur costs, i.e. interest or foregone yields), b

Finance

Property technology

Property technology (also known as by the portmanteaus proptech, PropTech, prop-tech and also known as real estate technology) is used to refer to the application of information technology and platform economics to the real estate industry. Property technology overlaps with financial technology, including uses like online payment and booking systems.

Payments & settlement

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. This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. This avoids a lot of the infrastructure traditionally associated with electronic payments such as payment cards, payment networks, payment terminal and merchant accounts.

Payments & settlement

Quahl

Quahl ( k-oo-ah-l), formerly known as Initiative Q, was an attempt to create a new payment network and digital currency. It was created by Israeli entrepreneur Saar Wilf, who previously founded Fraud Sciences, a payment security company acquired by PayPal. Quahl is backed by Cato Institute economist Lawrence H. White. The initiative has indicated it will not take measures to evade state

Finance

Rate of return

In finance, return is a profit on an investment. It comprises any change in value of the investment, and/or cash flows (or securities, or other investments) which the investor receives from that investment over a specified time period, such as interest payments, coupons, cash dividends and stock dividends. It may be measured either in absolute terms (e.g., dollars) or as a percentage of

Securities & exchanges

Renewable Energy Derivative

A renewable energy derivative is based on a new method of securitization, which is a structured finance process that pools and repackages cash-flow-producing financial assets into securities which are then sold to investors. The term "securitization" is derived from the fact that securities are used to obtain funds from investors.

Trading basics

Renting

Renting, also known as hiring or letting, is an agreement where a payment is made for the use of a good, service or property owned by another over a fixed period of time. Typically a written agreement is signed to establish the roles and expectations of both the tenant and landlord. There are many different types; a rental agreement tends to refer to short-term rental, whereas lease ref

Banking

Retail banking

Retail banking, also known as consumer banking or personal banking, is the provision of services by a bank to the general public, rather than to companies, corporations or other banks, which are often described as wholesale banking (corporate banking).

Securities & exchanges

Reverse convertible securities

A reverse convertible security is a type of convertible security where a bond or short-term note can be converted to cash, debt or equity at a set date by the issuer based on an underlying stock. In effect it is a type of option on the maturity date where the bond can be converted to shares or cash. For the investor they get the advantage of a steady stream of income due to the payment o

Payments & settlement

Rewire (company)

Rewire by Remitly is a digital financial platform operated by the fintech company Remitly in Israel that provides online financial services tailored to migrant workers. The platform provides remittance services for workers to transfer funds back home. The Rewire by Remitly platform was originally built by the Israeli startup Rewire which was founded by Guy Kashtan, Saar Yahalom, Adi Ben

Payments & settlement

RioCard

The RioCard (Bilhete Único) is a smartcard system used in the transport system of Rio de Janeiro state, Brazil. The card is contactless and uses MIFARE technology. It is a form of electronic payment produced and distributed by the Fetranspor company, in cooperation with Itaú bank. Its installation was seen as strengthening Brazil's connection with the Open Standard for Public Transport

Finance

Risk-free rate

The risk-free rate of return, usually shortened to the risk-free rate, is the rate of return of a hypothetical investment with scheduled payments over a fixed period of time that is assumed to meet all payment obligations.

Finance

Royalty fund

A royalty fund (also known as royalty funding) is a category of private equity fund that specializes in purchasing consistent revenue streams deriving from the payment of royalties. Royalties are a usage-based payment from one individual or entity to another individual or entity, giving the right to use an asset, product, service or idea.

Payments & settlement

Russian National Card Payment System

The National Payment Card System (Russian: Национальная система платёжных карт; known its acronym NSPK) is an operational and payment clearing house for processing bank card transactions within Russia and the operator of the Mir card payment system. It is the operational and payment clearing house of the Faster Payment System (FPS) and wholly owned by the Central Bank of Russia (CBR).

Payments & settlement

SADAD

The SADAD payment system was established by the Saudi Central Bank (SAMA) to be the national electronic bill presentment and payment (EBPP) service provider for the Kingdom of Saudi Arabia (KSA). The core mandate for SADAD is to facilitate and streamline bill payment transactions of end consumers through all channels of the KSA (Kingdom of Saudi Arabia) Banks. SADAD was launched on June

Finance

Sarvatra Technologies

Sarvatra Technologies Private Limited is an Indian fintech company, headquartered in Pune, Maharashtra, that provides banking software and cloud-based services to cooperative banks and smaller financial institutions. As of 2024, the company had a 55% market share in providing banking software to banks in India, with its PaaS model operating in 600 banks across India.

Payments & settlement

Self-checkout

Self-checkouts (SCOs), also known as assisted checkouts (ACOs) or self-service checkouts, are machines that allow customers to complete their own transaction with a retailer without using a staffed checkout. When using SCOs, customers scan item barcodes before paying for their purchases without needing one-to-one staff assistance. Self-checkouts are used mainly in supermarkets, although

Finance

Self-fulfilling crisis

Self-fulfilling crisis refers to a situation that a financial crisis is not directly caused by the unhealthy economic fundamental conditions or improper government policies, but a consequence of pessimistic expectations of investors. In other words, investors' fear of the crisis makes the crisis inevitable, which justified their initial expectations.

Securities & exchanges

Settlement (finance)

Settlement is the "final step in the transfer of ownership involving the physical exchange of securities or payment". After settlement, the obligations of all the parties have been discharged and the transaction is considered complete.

Securities & exchanges

Settlement risk

Settlement risk, also known as delivery risk or counterparty risk, is the risk that a counterparty (or intermediary agent) fails to deliver a security or its value in cash as per agreement after the first party has delivered the security or cash value. The term covers factors incidental to the settlement process that may suspend or prevent a trade from completing, even should the partie

Payments & settlement

SIA S.p.A.

SIA S.p.A. is an Italian company operating in the area of ICT, providing services to the banking and finance sector in addition to platforms for financial markets and e-payment services.

Payments & settlement

Single Euro Payments Area

The Single Euro Payments Area (SEPA) is a payment-integration system of the European Union that makes cross-border bank transfers in euros as fast, cheap, and simple as domestic payments. It allows individuals and businesses to make cashless euro transfers to any account within the zone using a single bank account and an International Bank Account Number, under the same basic conditions

Fiat currencies

Special drawing rights

Special drawing rights (SDRs, code XDR) are a supplementary foreign exchange reserve asset defined and maintained by the International Monetary Fund (IMF). SDRs are the units of account for the IMF, and not a currency; rather, SDR value is based on a basket of currencies, the specific composition of which is reviewed every five years. SDRs represent a claim to currency held by IMF member

Payments & settlement

Speedpass

Speedpass was a keychain radio-frequency identification (RFID) device introduced in 1997 by Mobil (which merged with Exxon to become ExxonMobil in 1999) for electronic payment. It was originally developed by Verifone. By 2004, more than seven million people possessed Speedpass tags, which could be used at approximately 10,000 Exxon, Mobil and Esso gas stations worldwide.

Finance

Spot contract

In finance, a spot contract, spot transaction, or simply spot, is a contract of buying or selling a commodity, security or currency for immediate settlement (payment and delivery) on the spot date, which is normally two business days after the trade date. The settlement price (or rate) is called spot price (or spot rate). A spot contract is in contrast with a forward contract or futures

Assets

Stellar (payment network)

Stellar, or Stellar Lumens (symbol: XLM), is a cryptocurrency protocol which allows transactions between any pair of currencies.

Fiat currencies

Sterilization (economics)

In macroeconomics, sterilization is action taken by a country's central bank to counter the effects on the money supply caused by a balance of payments surplus or deficit.

Finance

STET-CORE

The STET-CORE system is a French interbank automated clearing house. STET SA, whose name refers to Systèmes Technologiques d'Echange et de Traitement (lit. 'Exchange and Processing Technological Systems'), is the system's operating company, based in Paris La Défense. CORE, whose name refers to COmpensation REtail (compensation being French for clearing), is the main platform developed by

Securities & exchanges

Stock exchange

A stock exchange, securities exchange, or bourse is an exchange where stockbrokers and traders can buy and sell securities, such as shares of stock, bonds and other financial instruments. Stock exchanges may also provide facilities for the issue and redemption of such securities and instruments and capital events including the payment of income and dividends. Securities traded on a stock

Finance

Stripe, Inc.

Stripe, LLC is an Irish-American multinational financial services and software as a service (SaaS) company dual-headquartered in South San Francisco, California, United States, and Dublin, Ireland. The company primarily offers payment-processing software and application programming interfaces for e-commerce websites and mobile applications.

Fiat currencies

Strong dollar policy

Strong dollar policy is United States economic policy based on the assumption that a "strong" exchange rate of the United States dollar (meaning it takes fewer dollars to purchase the same amount of another currency) is in the interests of the United States. In 1971, Treasury Secretary John Connally famously remarked how the US dollar was "our currency, but your problem," referring to ho

Finance

Structured Financial Messaging System

Structured Financial Messaging System (SFMS) is a secure messaging standard developed to serve as a platform for intra-bank and inter-bank applications. It is an Indian standard similar to SWIFT which is the international messaging system used for financial messaging globally.

Payments & settlement

Surcharge (payment systems)

A payment surcharge, also known as checkout fee, is an extra fee charged by a merchant when receiving a payment by cheque, credit card, charge card, debit card or an e-money account, but not cash, which at least covers the cost to the merchant of accepting that means of payment, such as the merchant service fee imposed by a credit card company. Retailers generally incur higher costs when

Securities & exchanges

Swap (finance)

In finance, a swap is a derivative in which two parties agree to exchange one stream of cash flows for another, based on some agreed formula. An example is a floating-for-fixed interest rate swap, which calls for (a) payments by one party based on the product of a floating interest rate and a fixed amount, called the notional, in exchange for (b) payments by the counterparty based on the

Payments & settlement

SWIFT

The Society for Worldwide Interbank Financial Telecommunication (SWIFT), legally S.W.I.F.T. SC, is a cooperative established in 1973 in Belgium (French: Société Coopérative) and owned by the banks and other member firms that use its service. SWIFT provides the main messaging network through which international payments are initiated. It also sells software and services to financial insti

Securities & exchanges

Synthetic CDO

A synthetic CDO is a variation of a collateralized debt obligation (CDO) that generally uses credit default swaps (CDSs) and other derivatives to obtain its investment goals. As such, it is a complex derivative financial security sometimes described as a bet on the performance of other mortgage (or other) products, rather than a real mortgage security. The value and payment stream of a s

Banking

TARGET2-Securities

TARGET2-Securities, in shorthand T2S, is the Eurosystem's platform for securities settlement in central bank money. T2S offers centralised delivery-versus-payment (DvP) settlement across several European securities markets, without being itself a central securities depository (CSD) since it does not offer CSD services such as custody or asset servicing.

Networks

Terra (blockchain)

Terra is a blockchain protocol and payment platform used for algorithmic stablecoins. The project was created in 2018 by Terraform Labs, a startup co-founded by Do Kwon and Daniel Shin. It is best known for its Terra algorithmic stablecoin and the associated LUNA reserve asset cryptocurrency.

Finance

Tipalti

Tipalti is an American multinational financial technology company headquartered in Foster City, California, with offices in Amsterdam, London, Plano, Tbilisi, Tel Aviv, Toronto, and Vancouver. The company provides accounts payable, procurement, expense management, and global payments automation software for businesses.

Finance

Trade credit insurance

Trade credit insurance, business credit insurance, export credit insurance, or credit insurance is a type of insurance policy and a risk management product offered by private insurance companies and governmental export credit agencies to business entities wishing to protect their accounts receivable from loss due to credit risks such as protracted default, insolvency or bankruptcy. This

Payments & settlement

Transfast

Transfast is an international money transfer and cross-border payments company headquartered in New York, with additional offices in India (Kochi, Pune, Jalandhar, and Hoshiarpur), the UAE, Nigeria, and the Philippines. Transfast is owned by Mastercard.

Fiat currencies

Triffin dilemma

In international finance, the Triffin dilemma (sometimes the Triffin paradox) is the conflict of economic interests that arises between short-term domestic and long-term international objectives for countries whose currencies serve as global reserve currencies. This dilemma was identified in the 1960s by Belgian-American economist Robert Triffin. He noted that a country whose currency i

Payments & settlement

Truck wages

Truck wages are wages paid not in conventional money but instead in the form of payment in kind (i.e. commodities, including goods and/or services); credit with retailers; or a money substitute, such as scrip, chits, vouchers or tokens. Truck wages are a characteristic of a truck system, and are banned by the labour legislation of many countries.

Finance

Twin crises

In economics, twin crises, also called a balance of payments crisis, are simultaneous crises in banking and currency. The term was introduced in the late 1990s by economists Graciela Kaminsky and Carmen Reinhart after several such crises worldwide.

Securities & exchanges

Underwriting

Underwriting (UW) services are provided by some large financial institutions, such as banks, insurance companies and investment houses, whereby they guarantee payment in case of damage or financial loss and accept the financial risk for liability arising from such guarantee. An underwriting arrangement may be created in a number of situations including insurance, issues of security in a

Finance

United States Senate Committee on Finance

The United States Senate Committee on Finance (or, less formally, Senate Finance Committee) is a standing committee of the United States Senate. The committee concerns itself with matters relating to taxation and other revenue measures generally, and those relating to the insular possessions; bonded debt of the United States; customs, collection districts, and ports of entry and delivery

Fiat currencies

United Stock Exchange of India

United Stock Exchange of India Limited, also known as the United Stock Exchange (USE), is an Indian government owned stock exchange. It is the 4th pan-India exchange launched for trading financial instruments in India. USE represents the commitment of 21 Indian public sector banks, private banks, international banks and corporate houses to build an institution of repute. Mr. Gaurav Arora

Banking

Universal bank

A universal bank is a type of bank which participates in many kinds of banking activities and is both a commercial bank and an investment bank as well as providing other financial services such as insurance. These are also called full-service financial firms, although there can also be full-service investment banks which provide wealth and asset management, trading, underwriting, researc

Trading basics

Unsecured debt

In finance, unsecured debt refers to any type of debt or general obligation that is not protected by a guarantor, or collateralized by a lien on specific assets of the borrower in the case of a bankruptcy or liquidation or failure to meet the terms for repayment. Unsecured debts are sometimes called signature debt or personal loans. These differ from secured debt such as a mortgage, whic

Fiat currencies

USD: Difference Between Fiat Currency and On-Chain Assets

The international currency code for the US dollar is USD. This article covers its definition, mechanisms, verification methods, and common misconceptions.

Stablecoins

USD1: Brand, Token, and Reserve Information

USD1 is a US dollar stablecoin associated with the World Liberty Financial brand. This article introduces its positioning, mechanism, verification checklist, and common misconceptions.

Stablecoins

USDC: Native Issuance and Bridged Versions

USDC is a US dollar-backed stablecoin issued by Circle. This article introduces its positioning, mechanism, usage checklist, and common misconceptions.

Stablecoins

USDe: Ethena Synthetic Dollar

USDe is the synthetic dollar asset of the Ethena protocol. This article covers its positioning, mechanism, usage checklist, and common misconceptions.

Stablecoins

USDS: Sky Protocol Stablecoin

USDS is the stablecoin of the Sky protocol and is closely related to the evolution of DAI. This article covers its positioning, mechanism, usage checklist, and common misconceptions.

Stablecoins

USDT: Tether and Network Selection

USDT is a US dollar-denominated stablecoin issued by Tether, designed to maintain a close value relationship with the US dollar. This article introduces its positioning, mechanism, verification checklist, and common misconceptions.

Finance

Valuation (finance)

In finance, valuation is the process of determining the value of a (potential) investment, asset, or security.

Payments & settlement

Vocalink

Vocalink is a payment systems company headquartered in the United Kingdom, created in 2007 from the merger between Voca and LINK. It designs, builds and operates the UK payments infrastructure, which underpins the provision of the Bacs payment system and the UK ATM LINK switching platform covering 65,000 ATMs and the UK Faster Payments systems.

Payments & settlement

Voucher

A voucher is a bond which is worth a certain monetary value and which may be redeemed only for specific reasons or on specific goods.

Payments & settlement

VugaPay

VugaPay is a cross-platform payment service owned by Vuga Ltd, a Rwandan company. It allows businesses and users to transfer money across major payment systems, including credit card networks, mobile money and Bitcoin via an application programming interface, unstructured supplementary service data interface, a mobile phone app, or a web interface. It processed over 5 million transaction

Payments & settlement

Warrant of payment

In financial transactions, a warrant is a written order by one person that instructs or authorises another person to pay a specified recipient a specific amount of money or supply goods at a specific date. A warrant may or may not be negotiable and may be a bearer instrument that authorises payment to the warrant holder on demand or after a specific date. Governments and businesses may p

Payments & settlement

WebMoney

WebMoney is an online payment settlement system established in Russia in 1998. It is one of the largest electronic payments processors in Russia by number of users, with the company reporting 45 million registered accounts and 300,000 active weekly users in early 2020, and 100,000 stores accepting payments via the system. WebMoney is owned and operated by WM Transfer Ltd.

Finance

WePay

WePay is an online payment service provider based in the United States. It provides an integrated and customizable payment solution, through its APIs, to platform businesses such as crowdfunding sites, marketplaces and small business software companies. It also offers partners fraud and risk protection.

Payments & settlement

Wero

Wero is a European digital wallet and instant account-to-account payment service developed by the European Payments Initiative (EPI). It was launched in Germany on 2 July 2024, followed by France and Belgium later that year. Wero is currently available in Belgium, France, Germany, Luxembourg, and the Netherlands. Leading Austrian banks are planning to introduce the service.

Finance

Wisconsin Legislature Joint Committee on Finance

The Joint Committee on Finance or Joint Finance Committee (JFC) is a powerful joint committee of the Wisconsin Legislature, responsible for overseeing all legislation dealing with state income or spending in the U.S. state of Wisconsin. It also controls final approval of many state payments and assessments, even after legislation has become law. Because of its prominent role in state f

Fiat currencies

Wise (company)

Wise, formerly known as TransferWise, is a British financial technology company focused on global money transfers and Business Finance. Headquartered in London, it was founded by Kristo Käärmann and Taavet Hinrikus in January 2011. As of 2023, it offers three main products: Wise Account, Wise Business, and Wise Platform.

Payments & settlement

Worldline SA

Worldline SA is a French payment processing company founded in 1972. In 2024 its revenue was €4.63 billion.

Payments & settlement

Zelle

Zelle () is an American digital payments network run by a private financial services company owned by Bank of America, Truist, Capital One, JPMorgan Chase, PNC Bank, U.S. Bank, and Wells Fargo. The Zelle service enables individuals to electronically transfer money from their bank account to another registered user's bank account (within the United States) using a mobile device or the web