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Digital assets and currencies

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Fiat currencies

2008 G20 Washington summit

The 2008 G20 Washington Summit on Financial Markets and the World Economy was the first meeting, held in Washington, D.C., United States. It achieved general agreement amongst the G20 on how to cooperate in key areas so as to strengthen economic growth, deal with the 2008 financial crisis, and lay the foundation for reform to avoid similar crises in the future. The Summit resulted from a

Trading basics

2010 flash crash

The flash crash of May 6, 2010, , also known as the crash of 2:45 or simply the flash crash, was a United States trillion-dollar flash crash (a type of stock market crash) which started at 2:32 p.m. EDT and lasted for approximately 36 minutes.

Securities & exchanges

2012 JPMorgan Chase trading loss

In April and May 2012, large trading losses occurred at JPMorgan's Chief Investment Office, based on transactions booked through its London branch. The unit was run by Chief Investment Officer Ina Drew, who later stepped down. A series of derivative transactions involving credit default swaps (CDS) were entered, reportedly as part of the bank's "hedging" strategy. Trader Bruno Iksil, nic

Payments & settlement

AirPlus International

AirPlus International GmbH is a global corporate payment provider offering payment and data services for corporate travel management, procurement, and travel trade. Originally a subsidiary of Lufthansa Group, the company was acquired by SEB Kort in July 2024. The company provides business-to-business payment services around business travel payment, accounting, and analysis functions, in

Assets

Algorand

Algorand is a proof-of-stake blockchain and cryptocurrency. Algorand's native cryptocurrency is called ALGO.

Trading basics

Alibi marketing

Alibi marketing and alibi branding are marketing and branding strategies used by companies to circumvent restrictions on advertising certain classes of products by instead advertising an "alibi", which does not directly reference the restricted product but is likely to remind many viewers of the brand. The alibi may be a different product or simply a word or symbol reminiscent of the res

Finance

Anglo Irish Bank hidden loans controversy

The Anglo Irish Bank hidden loans controversy (also known as the circular transactions controversy) began in Dublin in December 2008 when Seán FitzPatrick, the chairman of Anglo Irish Bank (the state's third-largest bank), admitted he had hidden a total of €87 million in loans from the bank, triggering a series of incidents which led to the eventual nationalisation of Anglo on 21 January

Banking

Annual percentage rate

Annual percentage rate of charge (APR), corresponding sometimes to a nominal APR and sometimes to an effective APR (EAPR), is the interest rate for a whole year (annualized), rather than just a monthly fee/rate, as applied on a loan, mortgage loan, credit card, etc. It is a finance charge expressed as an annual rate. Those terms have formal, legal definitions in some countries or legal j

Securities & exchanges

Asian option

An Asian option (or average value option) is a special type of option contract. For Asian options, the payoff is determined by the average underlying price over some pre-set period of time. This is different from the case of the usual European option and American option, where the payoff of the option contract depends on the price of the underlying instrument at exercise; Asian options a

Finance

Asylum, Migration and Integration Fund

The European Commission's Asylum, Migration and Integration Fund (previously the Return Fund, the Refugee Fund, and the Integration Fund) is a funding programme managed by the Directorate-General for Migration and Home Affairs which promotes the efficient management of migration flows and the implementation, strengthening and development of a common approach to asylum and immigration in

Fiat currencies

Atlantic Money

Atlantic Money is a London-headquartered financial technology company that offers international money transfers for a fixed fee. The firm was founded in 2020 and officially launched in 2022 by two Americans, Neeraj Baid and Patrick Kavanagh, both early employees of the listed US financial services company Robinhood.

Payments & settlement

ATM

An automated teller machine (ATM) is an electronic telecommunications device that enables customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, funds transfers, balance or account information inquiries, at any time and without the need for direct interaction with bank staff.

Trading basics

Augur (software)

Augur is a decentralized prediction market platform built on the Ethereum blockchain. Augur is developed by Forecast Foundation, which was founded in 2014 by Jack Peterson, Joey Krug, and Jeremy Gardner. Forecast Foundation is advised by Ron Bernstein, founder of now-defunct company Intrade, and Ethereum founder Vitalik Buterin.

Assets

Auroracoin

Auroracoin (Abbreviation: AUR; sign: ᚠ) is a peer-to-peer cryptocurrency launched in February 2014 as an Icelandic alternative to bitcoin and the Icelandic króna. The unknown creator or creators use the pseudonym Baldur Friggjar Óðinsson (or Odinsson). They stated that they planned to distribute half of auroracoins that would ever be created to all 330,000 people listed in Iceland's nat

Payments & settlement

Automated cash handling

Automated cash handling is the process of dispensing, counting and tracking cash in a bank, retail, check cashing, payday loan / advance, casino or other business environment through specially designed hardware and software for the purposes of loss prevention, theft deterrence and reducing management time for oversight of cash drawer an unable operations.

Trading basics

Automated trading system

An automated trading system (ATS), a subset of algorithmic trading, uses a computer program to create buy and sell orders and automatically submits the orders to a market center or exchange. The computer program will automatically generate orders based on predefined set of rules using a trading strategy which is based on technical analysis, advanced statistical and mathematical computati

Fiat currencies

Avignon Exchange

The Avignon Exchange was one of the first foreign exchange markets in history, established in the Comtat Venaissin during the Avignon Papacy. The Exchange was composed of the agents (factores) of the great Italian banking-houses, who acted as money-changers as well as financial intermediaries between the Apostolic Camera and its debtors and creditors. The most prosperous quarter of the c

Banking

Bank tax

A bank tax, or a bank levy, is a tax on banks which was discussed in the context of the 2008 financial crisis. The bank tax is levied on the capital at risk of financial institutions, excluding federally insured deposits, with the aim of discouraging banks from taking unnecessary risks. The bank tax is levied on a limited number of sophisticated taxpayers and is not especially difficult

Banking

Bank transaction tax

A bank transaction tax is a tax levied on debit (and/or credit) entries on bank accounts. In 1989, at the Buenos Aires meetings of the International Institute of Public Finance, University of Wisconsin–Madison Professor of Economics Edgar L. Feige proposed extending the tax reform ideas of John Maynard Keynes, James Tobin and Lawrence Summers, to their logical conclusion, namely to tax a

Banking

Bank vault

A bank vault is a secure room used by banks to store and protect valuables, cash, and important documents. Modern bank vaults are typically made of reinforced concrete and steel, with complex locking mechanisms and security systems. This article covers the design, construction, and security features of bank vaults.

Banking

Bankers' bonuses

Bankers' bonuses are traditionally paid or awarded to some workers in the finance industry at the end of the bank's financial year. They are intended to reward employee behavior during that year that has increased the profits of the bank or some relevant part of its business, as shown by the annual accounts. The bonus culture is usually associated with the front office or investment bank

Fiat currencies

Barnett critique

The Barnett critique, named for the work of William A. Barnett in monetary economics, argues that internal inconsistency between the aggregation theory used to produce monetary aggregates and the economic theory used to produce the models within which the aggregates are used are responsible for the appearance of unstable demand and supply for money. The Barnett critique has produced a lo

Trading basics

Basis point

A basis point (often abbreviated as bp, often pronounced as "bip" or "beep") is one hundredth of 1 percentage point. Changes of interest rates are often stated in basis points. For example, if an existing interest rate of 10 percent is increased by 1 basis point, the new interest rate would be 10.01 percent.

Trading basics

Behavioral economics

Behavioral economics is the study of the psychological (e.g. cognitive, behavioral, affective, social) factors involved in the decisions of individuals or institutions, and how these decisions deviate from those implied by traditional economic theory.

Finance

Bibby Financial Services

Bibby Financial Services (BFS) is a multinational corporation that provides financial services to small and medium-sized enterprises (SMEs).

Payments & settlement

BKash

bKash Limited (Bengali: বিকাশ d/b/a: bKash) is a mobile financial service (MFS) in Bangladesh operating under the authority of Bangladesh Bank as a subsidiary of BRAC Bank PLC. This mobile financial service company started as a joint venture between BRAC Bank PLC, and Money in Motion LLC.

Payments & settlement

Blik

BLIK is a Polish mobile payment system launched in 2015. It is operated by Polski Standard Płatności (PSP).

Assets

Blockchain game

Video games can include elements that use blockchain technologies, including cryptocurrencies and non-fungible tokens (NFTs), often as a form of monetization. These elements typically allow players to trade in-game items for cryptocurrency, or represent in-game items with NFTs. Blockchain games have existed since 2017, gaining wider attention from the video game industry in 2021, when se

Networks

Blockchain privacy

Blockchain privacy describes how blockchain systems handle the confidentiality of transaction and record data. Many public blockchains can provide pseudonymity, while ledger transparency can allow transaction tracing through analysis of on-chain activity and related information. The persistence of ledger data can also create data-protection challenges in some applications, including ques

Networks

BNB Smart Chain (blockchain platform)

BNB Smart Chain (formerly Binance Smart Chain) is a public blockchain platform that uses a proof-of-stake consensus mechanism and provides smart contract functionality. The platform's native cryptocurrency is BNB. The system is part of the broader Binance ecosystem founded in 2017 by Changpeng Zhao and Yi He.

Trading basics

Bond credit rating

In investment, the bond credit rating represents the creditworthiness of corporate or government bonds. The ratings are published by credit rating agencies and used by investment professionals to assess the likelihood the debt will be repaid.

Trading basics

Bond vigilante

A bond vigilante is a bond market investor who protests against monetary or fiscal policies considered inflationary by selling bonds, thus increasing yields. The term was coined by Ed Yardeni in the 1980s.

Fiat currencies

Bretton Woods system

The Bretton Woods system of monetary management established the rules for commercial relations among 44 countries, including the United Kingdom, United States, Canada, European countries, and Australia, after the 1944 Bretton Woods Agreement until the Jamaica Accords in 1976. The Bretton Woods system was the first example of a fully negotiated monetary order intended to govern monetary r

Trading basics

Budapest Stock Exchange

Budapest Stock Exchange (BSE) (Hungarian: Budapesti Értéktőzsde, pronounced [ˈbudɒpɛʃti ˈeːrteːktøːʒdɛ] (BÉT)) is the third largest stock exchange in Central and Eastern Europe by market capitalization and liquidity. It is located at 55 Krisztina Boulevard, Budapest, Hungary, in the Buda Centre of the Hungarian National Bank Previously, from 1864, during the Austro-Hungarian Empire it wa

Finance

Budget Committee (Germany)

In the Federal Republic of Germany, the federal parliament (Bundestag) and all state parliaments (Landtage) have established Budget Committees (Haushaltsausschuss), standing parliamentary committees generally responsible for deliberations on the budget act and for parliamentary oversight of budget execution.

Trading basics

Buffer stock scheme

A buffer stock scheme (commonly implemented as intervention storage, the "ever-normal granary") is a price stabilization scheme in which surplus commodities are bought and stored for later sale during shortages, usually for an individual commodity market or an entire economy.

Securities & exchanges

Bull spread

In options trading, a bull spread is a vertical spread options strategy that is designed to profit from a moderate rise in the price of the underlying security.

Payments & settlement

Bunq

Bunq B.V. (English: , Dutch: [bʏŋk]; stylized in all lowercase), is a fintech and neobank licensed in the Netherlands and operating within 30 European countries. It is headquartered in Amsterdam.

Trading basics

Calendar effect

A calendar effect (or calendar anomaly) is the difference in behavior of a system that is related to the calendar such as the day of the week, time of the month, time of the year, time within the U.S. presidential cycle, or decade within the century. It is most often used in a financial context to describe a market anomaly; traders may use market timing to profit from moves in stock pric

Securities & exchanges

Calendar spread

In finance, a calendar spread (also called a time spread or horizontal spread) is a spread trade involving the simultaneous purchase of futures or options expiring on a particular date and the sale of the same instrument expiring on another date. These individual purchases, known as the legs of the spread, vary only in expiration date; they are based on the same underlying market and str

Securities & exchanges

Callable bull/bear contract

A callable bull/bear contract, or CBBC in short form, is a derivative financial instrument that provides investors with a leveraged investment in underlying assets, which can be a single stock, or an index. CBBC is usually issued by third parties, mostly investment banks, but neither by stock exchanges nor by asset owners. It was first introduced in Europe and Australia in 2001, and it i

Trading basics

Capital Markets Union

The Capital Markets Union (CMU) is an economic policy initiative launched by the former president of the European Commission, Jean-Claude Juncker in the initial exposition of his policy agenda on 15 July 2014. The main target was to create a single market for capital in the whole territory of the EU by the end of 2019. The reasoning behind the idea was to address the issue that corporate

Finance

Capital Requirements Directives

The Capital Requirements Directives (CRD) for the financial services industry have introduced a supervisory framework in the European Union which reflects the Basel II and Basel III rules on capital measurement and capital standards.

Networks

Cardano (blockchain platform)

Cardano is a public decentralized blockchain platform which uses the cryptocurrency, ADA, to facilitate transactions.

Finance

Casablanca Finance City

Casablanca Finance City (CFC; Arabic: القطب المالي للدار البيضاء) is a financial and business center located in Casablanca, Morocco. It serves as a regional hub for financial institutions, multinational corporations, and professional service firms operating in Africa.

Finance

Cashless society

In a cashless society, financial transactions are not conducted with physical banknotes or coins, but instead with digital information (usually an electronic representation of money). Cashless societies have existed from the time when human society came into existence, based on barter and other methods of exchange, and cashless transactions have also become possible in modern times using

Banking

Central bank independence

Central bank independence refers to the degree of autonomy and freedom a central bank has in conducting its monetary policy and managing the financial system and inflation targeting. The purpose of central bank independence is to maintain price stability, enhance the effectiveness of monetary policy, and ensure the stability of the financial system. Independent central banks have more cr

Finance

Central counterparty clearing

A central clearing counterparty (CCP), also referred to as a central counterparty, is a financial market infrastructure organization that takes on counterparty credit risk between parties to a transaction and provides clearing and settlement services for trades in foreign exchange, securities, options, and derivative contracts. CCPs are highly regulated institutions that specialize in ma

Payments & settlement

Central Electronic System of Payments

The Central Electronic System of Payments (CESOP) regime is an automatic exchange of information regime being introduced in the European Union from 1 January 2024. The rules were introduced by Council Directive 2020/284, amending the EU's Value-added tax Directive.

Banking

Chief economist

A chief economist is a single-position job class having primary responsibility for the development, coordination, and production of economic and financial analysis. It is distinguished from the other economist positions by the broader scope of responsibility encompassing the planning, supervision, and coordination of the economic research.

Finance

Chooser option

In finance, a chooser option is a special type of option contract. It gives the purchaser a fixed period to decide whether the derivative will be a European call or put option.

Finance

Christian finance

Christian finance is a kind of ethical finance following Christian ethics. The notion of "Christian finance" or "Catholic finance" refers to banking and financial activities that are not widely used. Whether the activities of the Knights Templar (12th century), Mounts of Piety (appeared in 1462) or the Apostolic Chamber attached directly to the Vatican, a number of operations of a bankin

Networks

ChromaWay

ChromaWay is a Swedish blockchain technology company founded in 2014, involved in decentralized applications, relational blockchain technology, web3, and smart contracts.

Payments & settlement

Clearstream

Clearstream or the Clearstream Group is the central securities depository arm of the Deutsche Börse Group. It provides settlement and custody as well as other related services for securities across all asset classes. Its subsidiary in Luxembourg, Clearstream Banking SA, is one of two world-leading International central securities depositories (ICSDs), the other one being Euroclear Bank.

Fiat currencies

CLS Group

CLS Group (for Continuous Linked Settlement), or simply CLS, is a specialized financial market infrastructure group whose main entity is the New York–based CLS Bank. It started operations in 2002 and operates a unique and global central multicurrency cash settlement system, known as the CLS System, which plays a critical role in the foreign exchange market (also known as forex or FX). Al

Banking

Coin roll hunting

Coin roll hunting (often abbreviated as CRH) is the hobby of searching and sorting coinage pulled from circulation for collectible coins. This is achieved through obtaining rolled coin, boxed coin, or bagged coin from banks and credit unions. A variant of this practice involves banknotes and is carried out in essentially the same fashion, normally to search for unusual (fancy) serial num

Banking

Coin wrapper

A coin wrapper, also known as a bank roll or simply a roll, is a paper or plastic container designed to hold a specific number of coins. During 19th century, newly minted coins were collected in cloth bags. Initially, coin wrapping was a manual process. Since the onset of the 20th century, coin wrapping machines have been in use. The earliest patent for a coin wrapping machine was in 190

Assets

Coinye

Coinye (formerly Coinye West), is a scrypt-based cryptocurrency. Cease and desist letters were issued against it for its use of American rapper Kanye West as its mascot despite West having no affiliation with the project. The project was abandoned by the original developers following West's filing of a trademark infringement lawsuit against them.

Finance

Committee of European Securities Regulators

The Committee of European Securities Regulators (CESR) was an independent committee of European Securities regulators, in place from 2001 to 2010. On 1 January 2011, it was replaced by the European Securities and Markets Authority (ESMA).

Securities & exchanges

Concession (contract)

A concession or concession agreement is a grant of rights, land, property, or facility by a government, local authority, corporation, individual or other legal entity.

Securities & exchanges

Conditional variance swap

A conditional variance swap is a type of variance swap or swap derivative product that allows investors to take exposure to volatility in the price of an underlying security but only while the underlying security is within a pre-specified price range. This instrument can be useful for hedging complex volatility exposures, making a bet on the volatility levels contained in the skew of th

Finance

Condor (options)

A condor is a limited-risk, non-directional options trading strategy consisting of four options at four different strike prices. The buyer of a condor earns a profit if the underlying is between or near the inner two strikes at expiry, but has a limited loss if the underlying is near or outside the outer two strikes at expiry. Therefore, long condors are used by traders who expect the un

Securities & exchanges

Constant Maturity Mortgage

In the United States secondary mortgage market, the Constant Maturity Mortgage (CMM) rate is a financial index representing the theoretical yield of a par value agency residential mortgage-backed security (agency RMBS). Unlike the constant-maturity treasury (CMT) which reflects government borrowing costs, the CMM reflects the yield required by investors to transact agency RMBS (such as t

Securities & exchanges

Contango

Contango is a situation in which the futures price (or forward price) of a commodity is higher than the spot price. In a contango situation, arbitrageurs or speculators are "willing to pay more for a commodity [to be received] at some point in the future than to purchase the commodity immediately. This may be due to people's desire to pay a premium to have the commodity in the future rat

Finance

Copy trading

Copy trading enables individuals in the financial markets to automatically copy positions opened and managed by other selected individuals.

Finance

Corporate Enforcement Authority

The Corporate Enforcement Authority (CEA) is the competent authority in Ireland for the general promotion of compliance with the Companies Acts, the investigation of breaches of the Companies Acts and the taking of any necessary enforcement actions to ensure continued compliance.

Finance

Corporate Registers Forum

The Corporate Registers Forum is an association grouping the corporate registries among the countries of the Commonwealth of Nations.

Fiat currencies

Covered interest arbitrage

Covered interest arbitrage is an arbitrage trading strategy whereby an investor capitalizes on the interest rate differential between two countries by using a forward contract to cover (eliminate exposure to) exchange rate risk. Using forward contracts enables arbitrageurs such as individual investors or banks to make use of the forward premium (or discount) to earn a riskless profit fro

Finance

Credit default option

In finance, a default option, credit default swaption or credit default option is an option to buy protection (payer option) or sell protection (receiver option) as a credit default swap on a specific reference credit with a specific maturity. The option is usually European, exercisable only at one date in the future at a specific strike price defined as a coupon on the credit default s

Fiat currencies

Credit theory of money

Credit theories of money, also called debt theories of money, are monetary economic theories concerning the relationship between credit and money. Proponents of these theories, such as Alfred Mitchell-Innes, sometimes emphasize that money and credit/debt are the same thing, seen from different points of view. Proponents assert that the essential nature of money is credit (debt), at leas

Finance

Criminal Finances Act 2017

The Criminal Finances Act 2017 (c. 22) is an act of the Parliament of the United Kingdom that amends the Proceeds of Crime Act 2002 to expand the provisions for confiscating funds to deal with terrorist property and proceeds of tax evasion.

Securities & exchanges

Cross listing

Cross-listing (or multi-listing, or interlisting) of shares is when a firm lists its equity shares on one or more foreign stock exchange in addition to its domestic exchange. To be cross-listed, a company must thus comply with the requirements of all the stock exchanges in which it is listed, such as filing.

Assets

Cryptocurrencies in Europe

The general notion of cryptocurrencies in Europe denotes the processes of legislative regulation, distribution, circulation, and storage of cryptocurrencies in Europe. In April 2023, the EU Parliament passed the Markets in Crypto Act (MiCA) unified legal framework for crypto-assets within the European Union.

Finance

Cryptocurrencies in Puerto Rico

With the arrival of several figures led by Brock Pierce following the passing of hurricane Maria in 2017, cryptocurrency became an issue of media and economic interest in the Caribbean archipelago of Puerto Rico. These traders relocated to the island motivated by the tax incentives provided by Act 20-2012 and Act 22-2012 (both now part of as Act 60–2019) and the tropical setting. They cl

Assets

Cryptocurrency exchange

A cryptocurrency exchange, or a digital currency exchange (DCE), is a business that allows customers to trade cryptocurrencies or digital currencies for other assets, such as conventional fiat money or other digital currencies. Exchanges may accept credit card payments, wire transfers or other forms of payment in exchange for digital currencies or cryptocurrencies. A cryptocurrency excha

Assets

Cryptocurrency wallet

A cryptocurrency wallet is a device, physical medium, program or an online service which stores the public and/or private keys for cryptocurrency transactions. In addition to this basic function of storing the keys, a cryptocurrency wallet more often offers the functionality of encrypting and/or signing information. Signing can for example result in executing a smart contract, a cryptocu

Assets

CryptoNote

CryptoNote is an application layer protocol designed for use with cryptocurrencies that aims to solve specific problems identified in Bitcoin.

Fiat currencies

Currency

A currency is a standardized form of money used as a medium of exchange. Under this definition, the US dollar, the euro, the yen, sterling, and the renminbi are examples of (government-issued) fiat currencies. Currencies may act as stores of value and be traded between nations in foreign exchange markets, which determine the relative values of the different currencies.

Fiat currencies

Currency basket

A currency basket is a portfolio of selected currencies with different weightings. A currency basket is commonly used by investors to minimize the risk of currency fluctuations and also governments when setting the market value of a country's currency.

Fiat currencies

Currency board

In public finance, a currency board is a mechanism by which a monetary authority is required to maintain a fixed exchange rate with a foreign currency by fully backing the commitment with foreign holdings, or reserves. This policy objective requires the conventional objectives of a central bank to be subordinated to the exchange rate target.

Fiat currencies

Currency intervention

Currency intervention, also known as foreign exchange market intervention or currency manipulation, is a monetary policy operation. It occurs when a government or central bank buys or sells foreign currency in exchange for its own domestic currency, generally with the intention of influencing the exchange rate and trade policy.

Fiat currencies

Currency pair

A currency pair is the quotation of the relative value of a currency unit against the unit of another currency in the foreign exchange market. The currency that is used as the reference is called the counter currency, quote currency, or currency and the currency that is quoted in relation is called the base currency or transaction currency.

Fiat currencies

Currency substitution

Currency substitution, also known as dollarization, is the use of a foreign currency in parallel to or instead of a domestic currency.

Trading basics

CUSIP

A CUSIP () is a nine-character numeric or alphanumeric code that uniquely identifies a North American financial security for the purposes of facilitating clearing and settlement of trades. All CUSIP identifiers are fungible, which means that a unique CUSIP identifier for each individual security stays the same, regardless of the exchange where the shares were purchased or venue on which

Assets

Dash (cryptocurrency)

Dash is an open source cryptocurrency. It is an altcoin that was forked from the Bitcoin protocol. It is also a decentralized autonomous organization (DAO) run by a subset of its users. It was previously known as Xcoin and Darkcoin.

Banking

Debanking

Debanking (sometimes spelled de-banking, and also known within the banking industry as de-risking) is the closure of people's or organizations' bank accounts by banks that perceive the account holders to pose a financial, legal, regulatory, or reputational risk to the bank.

Networks

Decentralized application

A decentralised application (DApp, dApp, Dapp, or dapp) is an application that can operate autonomously, typically through the use of smart contracts, that run on a blockchain or other distributed ledger system. DApps provide a function or utility to their users with less human intervention. Control over some DApps is distributed over holders of tokens that represent ownership over a DAp

Networks

Decentralized autonomous organization

A decentralized autonomous organization (DAO) is a software system for organization of other computer programs handled through a decentralized ledger technology like a blockchain. These systems are used most commonly to handle voting and finances, among other processes. The precise legal status of this type of organization system is unclear.

Assets

Decentralized finance

Decentralized finance (often stylized as DeFi) provides financial instruments and services through smart contracts on a programmable, permissionless blockchain. This approach reduces the need for intermediaries such as brokerages, exchanges, or banks. DeFi platforms enable users to lend or borrow funds, speculate on asset price movements using derivatives, trade cryptocurrencies, insure

Fiat currencies

Della Moneta

Della Moneta (On Money) is a 1751 book written by Ferdinando Galiani, and is one of the first specific European treatises on economics, especially monetary theory, preceding Adam Smith's The Wealth of Nations by twenty-five years.

Finance

Diagonal spread

In derivatives trading, the term diagonal spread is applied to an options spread position that shares features of both a calendar spread and a vertical spread. It is established by simultaneously buying and selling equal amount of option contracts of the same type (call options or put options) but with different strike prices and expiration dates.

Banking

Discount policy

Discount policy is a policy tool used by central banks to control the money in circulation by raising or lowering interest rates.

Networks

Distributed ledger

A distributed ledger (also called a shared ledger or distributed ledger technology or DLT) is a system whereby replicated, shared, and synchronized digital data is geographically spread (distributed) across many sites, countries, or institutions. In contrast to a centralized database, a distributed ledger does not require a central administrator, and consequently does not have a single (

Payments & settlement

Double-spending

Double-spending is the unauthorized spending of the same money (either digital or conventional) more than once. As with counterfeit money, double-spending leads to supply inflation by creating a new amount of copied currency that did not previously exist. It can also devalue the currency and diminish user trust in the currency.

Fiat currencies

Dynamic currency conversion

Dynamic currency conversion (DCC) or cardholder preferred currency (CPC) is a process whereby the amount of a credit card transaction is converted at the point of sale, ATM or internet to the currency of the card's country of issue. DCC is generally provided by third party operators in association with the merchant, and not by a card issuer. Card issuers permit DCC operators to offer DCC

Payments & settlement

EasyGo

EasyGo is a joint venture between Norway, Sweden, Denmark and Austria, that enables use of a single electronic toll tag on toll roads, ferries and bridges in all the member countries. The purpose of EasyGo is to enable the use of one OBE for payment when driving through any toll facility one might encounter on the way through Northern Europe and Austria.

Finance

Electronic Regulatory Reporting

Electronic Regulatory Reporting (eRR) is a universal regulatory reporting solution based on legal and technical standards governed by the Energy Traders Europe (formerly European Federation of Energy Traders) that allow users to report transactions and lifecycle events to multiple regulatory reporting regimes via a uniform interface and a single message submitted in the Commodity product

Networks

EOS.IO

EOS.IO is a blockchain protocol based on the cryptocurrency EOS. The smart contract platform claims to eliminate transaction fees and also conduct millions of transactions per second. It was developed by the private company Block.one and launched in 2017. The platform was later released as open-source software.

Finance

Equivalence in financial services

The principle of equivalence in financial services at the European Union (EU) level is one of the instruments the Commission has at its disposal to carry out its international strategy for financial services. The principle of equivalence is materialised through an equivalence decision issued by the European Commission to a targeted country that it judges fit to have access to the Europea

Securities & exchanges

Eugene Rotberg

Eugene Harvey Rotberg, (January 19, 1930 – October 6, 2025) was an American lawyer and international investment banker. He was known for his expertise in financial risk management, interest and exchange rates, financial market regulation, and the role of international development institutions.