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Digital assets and currencies

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

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.

Assets

Silvergate Bank

Silvergate Bank was a California bank founded in 1988. The company began providing services for cryptocurrency users in 2016, and conducted an IPO in 2019.

Finance

Simple living

Simple living refers to practices that promote simplicity in one's lifestyle. Common practices of simple living include reducing the number of possessions one owns, depending less on technology and services, ascetism, and spending less money. In addition to such external changes, simple living also reflects a person's mindset and values. Simple living practices can be seen in history, re

Finance

Singapore Customs

The Singapore Customs is a department under the Ministry of Finance of the Government of Singapore. Singapore Customs was reconstituted on 1 April 2003,

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

Banking

Single-tier banking system

A single-tier banking system is a policy framework under which all credit institutions coexist without distinction about the quality of their liabilities, or in other words, there is no distinction between central bank money and broad money. This setting is generally associated with communist economic systems.

Trading basics

Sklavenkasse

The term Sklavenkasse (lit. 'slave-fund') was a travel and ransom insurance scheme designated to pay ransom for European seafarers who had been captured by Barbary Pirates in the Mediterranean and off the coasts of Western Europe and sold into the Barbary slave trade. Several North German free imperial cities set up their own slave funds which existed until the mid 19th century.

Fiat currencies

Skrill

Skrill is part of Paysafe Limited, a global payments platform. It is one of Paysafe's digital wallet brands and was established in 2001 to offer multiple online payment and money transfer services. The company facilitates multiple payment options including card payments, bank transfers and local payment methods. The funds in a Skrill account can then be used to pay merchants and other S

Finance

Służewiec

Służewiec (Polish: [swuˈʐɛ.vjɛt͡s]) is a neighbourhood, and a City Information System area, in Warsaw, Poland, within the Mokotów district. It is a mixed high-rise area with residential and office buildings, with a population estimated at around 31,000 in 2025. Together with the nearby neighbourhood of Ksawerów, its portion forms a financial district, colloquially referred to as Mordor.

Fiat currencies

Snake in the tunnel

The snake in the tunnel was a system of European monetary cooperation in the 1970s which aimed at limiting fluctuations between different European currencies. It was the first attempt at European monetary cooperation. It attempted to create a single currency band for the European Economic Community (EEC), essentially pegging all the EEC currencies to one another.

Trading basics

Social finance

Social finance is a category of financial services that aims to leverage private capital to address challenges in areas of social and environmental need. Having gained popularity after the 2008 financial crisis, it is notable for its public benefit focus. Mechanisms of creating shared social value are not new; however, social finance is conceptually unique as an approach to solving socia

Trading basics

SOFR

Secured Overnight Financing Rate (SOFR) is a secured overnight interest rate. SOFR is a reference rate (that is, a rate used by parties in commercial contracts that is outside their direct control) established as an alternative to LIBOR. LIBOR had been published in a number of currencies and underpins financial contracts all over the world. Deeming it prone to manipulation, UK regulators

Securities & exchanges

SOFR Academy

SOFR Academy, Inc. is an American financial market infrastructure company focused on developing benchmark credit-spread infrastructure designed to complement risk-free reference rates in global capital markets. In connection with global reference rate reform and the transition away from the London Interbank Offered Rate (LIBOR), which underpinned approximately US$400 trillion in financia

Networks

Solana (blockchain platform)

Solana is a public blockchain platform that uses a proof-of-stake consensus mechanism and provides smart contract functionality. The platform's native cryptocurrency is SOL. Solana was founded in 2018 by Toly Yakovenko and Raj Gokal, and the network was launched in March 2020 by their San Francisco-based company, Solana Labs.

Finance

Solaris (credit institution)

Solaris SE is a credit institution licensed in Germany. Known as Solarisbank AG until November 2022, it is headquartered in Berlin and has branches in London, Paris, Milan, Madrid and Vilnius.

Trading basics

SONIA (interest rate)

The Sterling Overnight Index Average, abbreviated as SONIA, is the principal risk-free interest rate benchmark for sterling markets, administered by the Bank of England and published each London business day at 09:00 UK time for the previous day’s transactions. Introduced in March 1997 (1997-03) and transferred to Bank of England administration in April 2016 (2016-04), SONIA was reformed

Banking

Sort code

Sort codes are the domestic bank codes used to route money transfers between financial institutions in the United Kingdom, and formerly in Ireland. They are six-digit hierarchical numerical addresses that specify clearing banks, clearing systems, regions, large financial institutions, groups of financial institutions and ultimately resolve to individual branches. In the UK they continue

Trading basics

Sovereign Wealth Fund Institute

The Sovereign Wealth Fund Institute (also SWF Institute, or simply SWFI) is an American corporation that analyzes public asset owners such as sovereign wealth funds and other long-term governmental investors. Initially focused solely on sovereign wealth funds, the Sovereign Wealth Fund Institute has branched out to cover all types of public institutional investors. The institute sells i

Fiat currencies

Spahn tax

A Spahn tax is a type of currency transaction tax that is meant to be used for the purpose of controlling exchange-rate volatility. This idea was proposed by Paul Bernd Spahn in 1995.

Payments & settlement

SparkBase

SparkBase, LLC (SparkBase or SB) was a stored-value and gift card transaction processor located in Cleveland, Ohio, United States from 2004 to 2016. It provided private-label, stored-value, specialty gift cards, customer loyalty, and community rewards programs to Independent Sales Organizations (independent companies used by banks to develop new merchant relationships on their behalf).

Trading basics

Special Administration of the Holy See

The Special Administration of the Holy See (Italian: Amministrazione Speciale della Santa Sede, nicknamed La Speciale, abbreviated ASSS) was a dicastery of the Roman Curia from 1929 to 1967. It was established motu proprio by Pope Pius XI on 7 June 1929 to manage the ₤750 million in cash and 1,000 million in Italian government bonds transferred to the Holy See in implementation of the Fi

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

Trading basics

Special-purpose acquisition company

A special-purpose acquisition company (SPAC; ), also known as a blank check company or a blind-pool stock offering, is a shell corporation listed on a stock exchange with the purpose of acquiring (or merging with) a private company, thus taking the private company public through a procedure which requires fewer regulatory filings and has fewer safeguards for investors than the initial pu

Finance

Speculative attack

In economics, a speculative attack is a precipitous selling of untrustworthy assets by previously inactive speculators and the corresponding acquisition of some valuable assets (currencies, gold). The first model of a speculative attack was contained in a 1975 discussion paper on the gold market by Stephen Salant and Dale Henderson at the Federal Reserve Board. Paul Krugman, who visited

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.

Trading basics

Sports betting

Sports betting is the activity of predicting sports results and placing a wager on the outcome.

Trading basics

Sports rating system

A sports rating system is a system that analyzes the results of sports competitions to provide ratings for each team or player. Common systems include polls of expert voters, crowdsourcing non-expert voters, betting markets, and computer systems. Ratings, or power ratings, are numerical representations of competitive strength, often directly comparable so that the game outcome between an

Securities & exchanges

Squarepoint Capital

Squarepoint Capital ("Squarepoint") is a global investment management firm headquartered in New York City & London. The firm is known for its quantitative finance approach to investing. Squarepoint has additional offices in Bangalore, Boston, Dubai, Geneva, Hong Kong, Houston, Jersey, London, Madrid, Montreal, New York, Paris, Singapore, and Zug.

Finance

Stanisław Gebhardt

Stanisław Mieczysław Gebhardt (13 July 1928 – 27 February 2025) was a Polish resistance fighter, economist, émigré political activist, international social entrepreneur and veteran member of the Christian democratic movement. After his return to Poland after the Fall of the Berlin Wall, he was associated with centre-right politics and regarded as a political historian. Gebhardt received

Networks

StarkWare Industries

StarkWare Industries is an Israeli software company that specializes in cryptography. It develops zero-knowledge proof technology that compresses information to address the scalability problem of the blockchain, and works on the Ethereum platform.

Trading basics

Startup company

A startup or start-up is a company or project typically undertaken by an entrepreneur to seek, develop, and validate a scalable business model. While entrepreneurship includes all new businesses including self-employment and businesses that do not intend to go public, startups are new businesses that intend to grow large beyond the solo-founder. At the early stages, startups face signifi

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.

Trading basics

Sterling area

The sterling area (or sterling bloc, legally scheduled territories) was a group of countries that either adopted or pegged their currencies to the pound sterling.

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

Finance

Stochastic volatility jump models

Stochastic Volatility Jump Models (SVJ models) are a class of mathematical models in quantitative finance that combine stochastic volatility dynamics with discontinuous jumps in asset prices. These models aim to more accurately reflect the empirical characteristics of financial markets, particularly those that deviate from the assumptions of classical models such as the Black–Scholes mod

Securities & exchanges

Stock market equivalence

Stock market equivalence is granted by the European Union to those countries whose stock markets are deemed to be 'equivalent' to those of the EU countries. On 3 January 2018, the EU implemented the "Markets in Financial Instruments Directive II" (colloquially known as "MiFID II") which required all European investment firms & traders to trade the shares of a company listed in the EU on

Securities & exchanges

Stock market prediction

Stock market prediction is the act of trying to determine the future value of a company stock or other financial instrument traded on an exchange. The successful prediction of a stock's future price could yield significant profit. The efficient market hypothesis suggests that stock prices reflect all currently available information and any price changes that are not based on newly reveal

Finance

Stock trader

A stock trader or equity trader or share trader, also called a stock investor, is a person or company involved in trading stocks and attempting to profit from the purchase and sale of those securities. Stock traders may be an investor, agent, hedger, arbitrageur, speculator, or stockbroker. Such equity trading in large publicly traded companies may be through a stock exchange. Stock shar

Trading basics

Stockholm congestion tax

The Stockholm congestion tax (Swedish: Trängselskatt i Stockholm), also referred to as the Stockholm congestion charge, is a congestion pricing system implemented as a tax levied on most vehicles entering and exiting central Stockholm, Sweden. The congestion tax was implemented on a permanent basis on 1 August 2007, after a seven-month trial period between 3 January 2006 and 31 July 200

Securities & exchanges

Strangle (options)

In finance, a strangle is an options strategy involving the purchase or sale of two options, allowing the holder to profit based on how much the price of the underlying security moves, with a neutral exposure to the direction of price movement. A strangle consists of one call and one put with the same expiry and underlying but different strike prices. Typically the call has a higher stri

Trading basics

Stress test (financial)

In finance, a stress test is an analysis or simulation designed to determine the ability of a given financial instrument or financial institution to deal with an economic crisis. Instead of doing financial projection on a "best estimate" basis, a company or its regulators may do stress testing where they look at how robust a financial instrument is in certain crashes, a form of scenario

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 product

A structured product, also known as a market-linked investment, is a pre-packaged structured finance investment strategy based on a single security, a basket of securities, options, indices, commodities, debt issuance or foreign currencies, and to a lesser extent, derivatives.

Finance

Suspicious activity report

In financial regulation, a suspicious activity report (SAR) or suspicious transaction report (STR) is a report made by a financial institution about suspicious or potentially suspicious activity as required under laws designed to counter money laundering, financing of terrorism and other financial crimes. The criteria for when a report is required vary by country, but in general, a repor

Trading basics

Sustainalytics

Sustainalytics is a company that rates the sustainability of listed companies based on their environmental, social and corporate governance (ESG) performance. The company was born of a merger between Toronto-based Jantzi Research, which was founded in 1992 by Sustainalytics' current CEO Michael Jantzi, and its European counterpart. Following its acquisition of GES International on Januar

Securities & exchanges

Swap execution facility

A swap execution facility (SEF) (sometimes swaps execution facility) is a platform for financial swap trading that provides pre-trade information (i.e. bid and offer prices) and a mechanism for executing swap transactions among eligible participants.

Trading basics

Swazi lilangeni

The lilangeni (plural: emalangeni, ISO 4217 code: SZL) is the currency of Eswatini and is subdivided into 100 cents. It is issued by the Central Bank of Eswatini (in swazi Umntsholi Wemaswati) and is authorised by the king and his family. The South African rand is also accepted in Eswatini. Similar to the Lesotho loti, there are singular and plural abbreviations, namely L and E, so where

Payments & settlement

Swish (payment)

Swish (Swedish pronunciation: [swɪʂː] or [svɪʂː]) is a mobile payment system in Sweden. The service was launched in 2012 by six large Swedish banks, in cooperation with Bankgirot and the Central Bank of Sweden. It had 8 million users as of July 2022 (total Swedish population: 10.2 million).

Finance

Systemic risk

In finance, systemic risk is the risk of collapse of an entire financial system or entire market, as opposed to the risk associated with any one individual entity, group or component of a system, that can be contained therein without harming the entire system. It can be defined as "financial system instability, potentially catastrophic, caused or exacerbated by idiosyncratic events or co

Finance

Systemically important financial institution

A systemically important financial institution (SIFI) is a bank, insurance company, or other financial institution whose failure might trigger a financial crisis. They are colloquially referred to as "too big to fail".

Payments & settlement

T2 (settlement system)

T2 is a financial market infrastructure that provides real-time gross settlement (RTGS) of payments, mostly in euros. It is operated by the European Central Bank and is the critical payments infrastructure of the euro area. With turnover in the trillions of euros every day, it is one of the largest payment systems in the world. It is one of three so-called TARGET Services, together with

Payments & settlement

TARGET2

TARGET2 was the real-time gross settlement (RTGS) system for the Eurozone from its phased introduction in 2007-2008 until its replacement with T2 in March 2023. As such, it was one of the Eurosystem's TARGET Services, replacing the original TARGET (Trans-European Automated Real-time Gross Settlement Express Transfer System) RTGS introduced in 1999. Like the other TARGET Services, it was

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.

Trading basics

Tax competition

Tax competition, a form of regulatory competition, exists when governments use reductions in fiscal burdens to encourage the inflow of productive resources or to discourage the exodus of those resources. Often, this means a governmental strategy of attracting foreign direct investment, foreign indirect investment (financial investment), and high value human resources by minimizing the ov

Finance

Tax compliance software

Tax compliance software is software that assists tax compliance, and may cover income tax, corporate tax, VAT, service tax, customs, sales tax, use tax, or other taxes its users may be required to pay. The software automatically calculates a user's tax liabilities to the government, keeps track of all transactions (in case of indirect taxes), keeps track of eligible tax credits, etc. The

Finance

Taxation in Cyprus

Taxes in Cyprus are levied by both the central and local governments. Tax revenue stood at 39.2% of GDP in 2012. The most important revenue sources are the income tax, social security, value-added tax and corporate tax, and are all collected by the central government.

Finance

Taxation in Estonia

Taxation in Estonia consists of state and local taxes. A relatively high proportion of government revenue comes from consumption taxes whilst revenue from capital taxes is one of the lowest in the European Union.

Finance

Taxation in Iceland

Taxes in Iceland are levied by the state and the municipalities. Property rights are strong and Iceland is one of the few countries where they are applied to fishery management. Taxpayers pay various subsidies to each other, similar to European countries that are welfare states, but the spending is less than in most European countries. Despite low tax rates in relation to European welfar

Fiat currencies

Taylor rule

The Taylor rule is a monetary policy targeting rule. The rule was proposed in 1992 by American economist John B. Taylor for central banks to use to stabilize economic activity by appropriately setting short-term interest rates. The rule considers the federal funds rate, the price level and changes in real income. The Taylor rule computes the optimal federal funds rate based on the gap be

Fiat currencies

Technical analysis

In finance, technical analysis is an analysis methodology for analysing and forecasting the direction of prices through the study of past market data, primarily price and volume. As a type of active management, it stands in contradiction to much of modern portfolio theory. The efficacy of technical analysis is disputed by the efficient-market hypothesis, which states that stock market pr

Trading basics

Technology Hub (Mexico)

Technology Hub is a bi-national startup accelerator and business incubator in the El Paso–Juárez area on the border of Mexico and the United States. It was founded in 2015 and is a Mexico National Institute for Entrepreneurship-certified incubator that has developed and housed 100 high-growth technology companies.

Trading basics

TED spread

The TED spread is the difference between the interest rates on interbank loans and on short-term U.S. government debt ("T-bills"). TED is an acronym formed from T-Bill and ED, the ticker symbol for the Eurodollar futures contract.

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.

Assets

Tether Limited

Tether Limited is a financial technology company that issues the Tether stablecoin (USDT), the world’s largest stablecoin by market capitalization. Founded in 2014, Tether pioneered the concept of fiat-backed digital currencies pegged 1:1 to traditional currencies (initially the U.S. dollar). USDT has become a key source of liquidity in the cryptocurrency market, with over $170 billion i

Networks

Tezos

Tezos is an open-source blockchain that can execute peer-to-peer transactions and serve as a platform for deploying smart contracts. The native cryptocurrency for the Tezos blockchain is the tez (ISO 4217: XTZ; sign: ꜩ). The Tezos network achieves consensus using proof-of-stake. Tezos uses an on-chain governance model that enables the protocol to be amended when upgrade proposals receive

Trading basics

TFI Leap Card

The TFI Leap Card is a contactless smart card for automated fare collection overseen by the National Transport Authority (NTA) under the Transport for Ireland (TFI) brand.

Assets

The DAO

The DAO was a digital decentralized autonomous organization and a form of investor-directed venture capital fund. After launching in April 2016 via a token sale, it became one of the largest crowdfunding campaigns in history, but it ceased activity after much of its funds - in the form of US$ exchanged for "Ether-crypto coins" - were taken in a hack in June 2016.

Trading basics

The Equitable Life Assurance Society

The Equitable Life Assurance Society (Equitable Life), founded in 1762, is a life insurance company in the United Kingdom. The world's oldest mutual insurer, it pioneered age-based premiums based on mortality rate, laying "the framework for scientific insurance practice and development" and "the basis of modern life assurance upon which all life assurance schemes were subsequently based"

Finance

The paradox of banknotes

In economics, the paradox of banknotes or cash paradox is the observation that while the share of cash transactions has fallen over the past few decades due to alternative forms of payment such as credit cards and other electronic payment instruments, the demand for physical currency, measured as the ratio of currency in circulation (CIC) to GDP, has been steadily increasing since the ea

Fiat currencies

Thomas H. Greco Jr.

Thomas Henry Greco Jr. (October 9, 1936 – June 15, 2026) was an American community economist, who wrote and consulted on monetary exchange alternatives, including private credit clearing systems, complementary currencies and local currencies.

Payments & settlement

Threshold pledge system

The threshold pledge or fund and release system is a way of making a fundraising pledge as a group of individuals, often involving charitable goals or financing the provision of a public good. An amount of money is set as the goal or threshold to reach for the specified purpose and interested individuals will pitch in, but the money at first either remains with the pledgers or is held in

Securities & exchanges

Ticker symbol

A ticker symbol or stock symbol is an abbreviation used to uniquely identify publicly traded shares of a particular publicly listed company or security on a particular stock exchange. Ticker symbols are arrangements of symbols or characters (generally Latin letters or digits) which provide a shorthand for investors to refer to, purchase, and research securities. Some exchanges include ti

Securities & exchanges

Ticker tape

Ticker tape was the earliest electrical dedicated financial communications medium, transmitting stock price information over telegraph lines, in use from around 1870 to 1970. It consisted of a paper strip that ran through a machine called a stock ticker, which printed abbreviated company names as alphabetic symbols followed by numeric stock transaction price and volume information. The t

Trading basics

Time preference

In behavioral economics, time preference (or time discounting, delay discounting, temporal discounting, long-term orientation) is the current relative valuation placed on receiving a good at an earlier date compared with receiving it at a later date. Applications for these preferences include finance, health, and climate change.

Banking

TIPANET

TIPANET (Transferts Interbancaires de Paiement Automatisés) is an international payment system set up by the European cooperative banks. Its shareholders were Natexis Banques Populaires, France; Banca Popolare Commercio e Industria, Italy; Istituto Centrale delle Banche Popolari Italiane, Italy; Banco Popular de España, Spain; Crédit Professionnel, Belgium; The Cooperative Bank plc, Unit

Finance

Tobin tax

A Tobin tax was originally defined as a tax on all spot conversions of one currency into another. It was suggested by James Tobin, an economist who won the Nobel Memorial Prize in Economic Sciences. Tobin's tax was originally intended to penalize short-term financial round-trip excursions into another currency. By the late 1990s, the term Tobin tax was being applied to all forms of shor

Networks

Tom Clancy's Ghost Recon Breakpoint

Tom Clancy's Ghost Recon Breakpoint is an online tactical shooter video game developed by Ubisoft Paris and published by Ubisoft. The game was released worldwide on 4 October 2019 for PlayStation 4, Windows, and Xbox One, and on 18 December 2019 for Stadia. The game is the eleventh installment in the Tom Clancy's Ghost Recon franchise and is a narrative sequel to the 2017 video game Tom

Trading basics

Tontine

A tontine () is an investment linked to a living person which provides an income for as long as that person is alive. Such schemes originated as plans for governments to raise capital in the 17th century and became relatively widespread in the 18th and 19th centuries.

Trading basics

Topstep

Topstep is a trader education and fintech enterprise, headquartered in Chicago, Illinois, active in more than 170 countries worldwide and founded by Michael Patak. It specializes in evaluating the performance of day traders through real-time simulated trading accounts. Originally founded as TopstepTrader, the company rebranded as Topstep in 2020 and was the first company to run a large

Trading basics

Toronto Computer Leasing Inquiry

The Toronto Computer Leasing Inquiry was a judicial inquiry into allegations of conflict of interest, bribery and misappropriation of funds around computer leasing contracts entered into by the City of Toronto government in 1998 and 1999. It was held concurrently with the Toronto External Contracts Inquiry.

Trading basics

TP ICAP

TP ICAP Group plc is a financial services firm headquartered in London, United Kingdom. Its stock is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.

Securities & exchanges

Trade repository

A Trade Repository or Swap Data Repository is an entity that centrally collects and maintains the records of over-the-counter (OTC) derivatives. These electronic platforms, acting as authoritative registries of key information regarding open OTC derivatives trades, provide an effective tool for mitigating the inherent opacity of OTC derivatives markets.

Fiat currencies

Trade-weighted US dollar index

The trade-weighted US dollar index, also known as the broad index, was a measure of the value of the United States dollar relative to other world currencies. It was a trade weighted index that improved on the older U.S. Dollar Index by incorporating more currencies and yearly rebalancing. The base index value was 100 in January 2006.

Trading basics

Trading 212

Trading 212 is a European fintech brokerage group founded in Bulgaria in 2004 and headquartered in London, United Kingdom.

Trading basics

Train ticket

A train ticket is a transit pass ticket issued by a railway operator that enables the bearer to travel on the operator's network or a partner's network. Tickets can authorize the bearer to travel a set itinerary at a specific time (common for long-distance railroads), a set itinerary at any time (common for commuter railroads), a set itinerary at multiple times, or an arbitrary itinera

Banking

Transaction authentication number

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.

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.

Trading basics

TransferMate

TransferMate is an Irish business-to-business payment technology company which was founded in 2010. The company provides a service to make cross border transfers online, this allows them to receive funds locally and make payments locally with the intention to eliminate the need for intermediary banks and international transfer fees.

Trading basics

Traveller's cheque

A traveller's cheque is a medium of exchange that can be used in place of the currency of a country. Each cheque is denominated in a preprinted fixed, round, amount of one of a number of major world currencies; it has two panels for a signature. The purchaser signs one panel of each cheque on receiving it; to use it, it is signed on the second panel and dated in the presence of the payee

Assets

Trial of Sam Bankman-Fried

United States of America v. Samuel Bankman-Fried was a 2023 federal criminal trial in the United States District Court for the Southern District of New York. Financial entrepreneur Sam Bankman-Fried, commonly known as SBF, was convicted on seven charges of fraud and conspiracy following the collapse of his cryptocurrency exchange FTX in November 2022. After the jury's verdict in November

Fiat currencies

Triangular arbitrage

Triangular arbitrage (also referred to as cross currency arbitrage or three-point arbitrage) is the act of exploiting an arbitrage opportunity resulting from a pricing discrepancy among three different currencies in the foreign exchange market. A triangular arbitrage strategy involves three trades, exchanging the initial currency for a second, the second currency for a third, and the thi

Trading basics

Trillion dollar club (macroeconomics)

The Trillion dollar club is an unofficial classification of the world's major economies with a gross domestic product (nominal GDP) of more than US$1 trillion per year. As of 2025, it included 21 countries. This does not include purchasing power parity, which increases the GDP of many countries with an undervalued currency, which are usually poorer countries.

Finance

Troika (European group)

The Troika is a term used to refer to the single decision group created by three entities, the European Commission (EC), the European Central Bank (ECB) and the International Monetary Fund (IMF). It was formed due to the European debt crisis as an ad hoc authority with a mandate to manage the bailouts of Cyprus, Greece, Ireland and Portugal, in the aftermath of their prospective insolven

Networks

Tron (blockchain)

Tron (stylized in all caps) is a decentralized, proof-of-stake blockchain with smart contract functionality. The cryptocurrency native to the blockchain is known as Tronix (TRX). It was founded in March 2014 by Justin Sun and, since 2017, has been overseen and supervised by the TRON Foundation, a non-profit organization in Singapore, established in the same year. It is open-source softwa

Trading basics

Trondheim toll scheme

Trondheim Toll Scheme or Trondheim Package (Norwegian: Trondheimspakken) was the result of that in the 1980s politicians and road authorities in Trondheim Municipality, Norway wanted to accelerate the investments in roads and motorways around the city through an investment package and toll scheme to ease construction and generate more funds. Between 1991 and 2005, there were more than 24

Trading basics

Troubled Asset Relief Program

The Troubled Asset Relief Program (TARP) is a program of the United States government to purchase toxic assets and equity from financial institutions to strengthen its financial sector that was passed by Congress and signed into law by President George W. Bush. It was a component of the government's measures in 2008 to address the subprime mortgage crisis.

Assets

Trust Wallet

Trust Wallet is a multi‑chain, non‑custodial cryptocurrency wallet that allows users to store, send, receive, and manage digital assets across more than 100 blockchain networks. Available as a mobile app for iOS and Android and as a browser extension, the wallet supports decentralized finance (DeFi), NFTs, crypto staking, token swapping, and access to decentralized applications (dApps).

Trading basics

Trusted Shops

Trusted Shops is a company founded in Cologne, Germany, in 1999, which offers online shops and their customers trust-building services by means of a trustmark, a money-back guarantee process and a system of customer reviews. Online retailers are also provided with assistance in meeting legal requirements. Around 25,000 online shops display the trustmark as of July 2019.

Payments & settlement

TSYS

Total System Services, Inc. (TSYS) is an American financial technology company based in Columbus, Georgia, that provides payment processing services, merchant services and related payment services. It also provides reloadable prepaid debit cards and payroll cards, and demand deposit accounts to the underbanked.