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Digital assets and currencies

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Banking

Banking Industry Architecture Network

The Banking Industry Architecture Network e.V. (BIAN) is an independent, member owned, not-for-profit association to establish and promote a common architectural framework for enabling banking interoperability. It was established in 2008.

Banking

Banking lobby

The banking lobby refers to the representatives from various firms and organizations seeking favorable terms from governments for big banks and other financial service companies through lobbying and advocacy groups.

Banking

Banking Regulation Act, 1949

The Banking Regulation Act, 1949 is a law in India that regulates all banking companies in India. Passed as the Banking Companies Act 1949, it came into force on 16 March 1949 and changed to Banking Regulation Act 1949 from 1 March 1966. It is applicable in Jammu and Kashmir from 1956. Initially, the law was applicable only to banking companies. But, in 1965 it was amended to make it ap

Banking

Banking software

Banking software refers to computer systems used by financial institutions to manage and deliver banking services. These systems support functions such as account management, transaction processing, record keeping, and customer interactions across various channels. Banking software may include core baking systems as well as applications for online, mobile, and automated services. Its

Trading basics

Bankrupts Act 1742

The Bankrupts Act 1742 (16 Geo. 2. c. 27) was an act of the Parliament of Great Britain that continued various older acts.

Trading basics

Bankrupts Act 1772

The Bankrupts Act 1772 (12 Geo. 3. c. 47) was an act of the Parliament of Great Britain that continued various older acts.

Trading basics

Bankrupts, etc. Act 1763

The Bankrupts, etc. Act 1763 (4 Geo. 3. c. 36) was an act of the Parliament of Great Britain that continued various older acts.

Finance

Banks Board Bureau

Banks Board Bureau (BBB) (now replaced by Financial Services Institution Bureau since 2022) was an autonomous body of the Government of India tasked to search and select appropriate personages for the Board of Public Sector Banks, Public Sector Financial Institutions, and Public Sector Insurance Companies and recommend measures to improve Corporate Governance in these Institutions. In 20

Finance

Banktivity

Banktivity (formerly known as iBank) is a personal finance management suite designed for macOS and iOS platforms by IGG Software, first released in 2003 as Mac desktop software.

Banking

Banq

"Banq" and "banc" are alternative spellings used in company names to evade legal restrictions on the use of the word 'bank' while maintaining a similar pronunciation. This practice is common in the financial services industry, particularly in the United States.

Trading basics

Barbadian dollar

The Barbadian dollar (sign: $; code: BBD) is the official currency in Barbados. It is often abbreviated to international unofficial abbreviations in Barbados such as: B$, BD$ or the International vehicle registration code BDS$ is also commonly used, a currency code that is otherwise reserved for Bangladesh (ISO 3166-1 country code BD) outside Barbados. As such the present Barbados dollar

Trading basics

Barclays Bank, Enfield

Barclays Bank, at 20 The Town, Enfield, formerly the London and Provincial Bank, is a Grade II listed building in the London Borough of Enfield. It was designed by William Gillbee Scott in a Flemish Renaissance style and completed in 1897. London and Provincial were taken over by Barclays Bank in 1918.

Banking

Baring crisis

The Baring crisis or the Panic of 1890 was an acute recession in the United States. Although less serious than other panics of the era, it is the 19th century’s most famous sovereign debt crisis, and the 17th largest decline in U.S. stock market history.

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

Finance

Barrier option

A barrier option is an option whose payoff is conditional upon the underlying asset's price breaching a barrier level during the option's lifetime.

Fiat currencies

Barry Eichengreen

Barry Julian Eichengreen (born 1952) is an American economist and economic historian who is the George C. Pardee and Helen N. Pardee Professor of Economics and Political Science at the University of California, Berkeley, where he has taught since 1987. Eichengreen is a research associate at the National Bureau of Economic Research and a research fellow at the Centre for Economic Policy R

Finance

BAS (accounting)

The Swedish BAS chart of accounts (Basic chart), represents the Swedish accounting generally accepted accounting principles (GAAP) and is an open to use chart of accounts for accounting in Sweden available in Swedish, English and German language texts. Very similar chart of accounts are commonly used in neighbouring countries and applicable internationally.

Finance

Base erosion and profit shifting

Base erosion and profit shifting (BEPS) is a category of corporate tax avoidance strategies used by multinationals to "shift" profits from higher-tax jurisdictions to lower-tax jurisdictions or no-tax locations where there is little or no economic activity, thus "eroding" the "tax-base" of the higher-tax jurisdictions using deductible payments such as interest or royalties. For the gover

Banking

Basel Committee on Banking Supervision

The Basel Committee on Banking Supervision (BCBS, often shortened as Basel Committee) is a body that brings together bank supervisory authorities to set common prudential standards and policy. It relies on a permanent secretariat hosted by the Bank for International Settlements in Basel, Switzerland.

Finance

Basel I

Basel I, or the 1988 Basel Accord, is a framework on banking regulations published by the Basel Committee on Banking Supervision in 1988. It arose from deliberations by central banks from major countries during the late 1970s and 1980s. By 1992, it had been transposed into law by all Group of Ten (G10) countries.

Trading basics

Basel III

Basel III is a framework published by the Basel Committee on Banking Supervision (BCBS) in response to the deficiencies in financial regulation revealed by the 2008 financial crisis. It sets international standards and recommendations for bank capital requirements, stress tests, liquidity regulations, and leverage, with the goal of mitigating the risk of bank runs and bank failures. Base

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

Basis risk

Basis risk in finance is the risk associated with imperfect hedging due to the variables or characteristics that affect the difference between the futures contract and the underlying "cash" position. It arises because of the difference between the price of the asset to be hedged and the price of the asset serving as the hedge before expiration, namely b = S - F. Barring idiosyncratic inf

Securities & exchanges

Basket option

A basket option is a financial derivative, more specifically an exotic option, whose underlying is a weighted sum or average of different assets that have been grouped together in a basket. A basket option is similar to an index option, where a number of stocks have been grouped together in an index and the option is based on the price of the index, but differs in that the members and we

Trading basics

Bath Clean Air Zone

Bath Clean Air Zone is an area of central Bath, England where traffic is restricted to reduce air pollution. It became the second Clean Air Zone in the UK (after London) when it was introduced in March 2021. It has been credited with helping to reduce nitrogen dioxide pollution in the city by around a quarter since 2019, and has raised over £7 million in fines. However, critics of the sc

Trading basics

Baumol effect

In economics, the Baumol effect, or Baumol's cost disease, first described by William J. Baumol and William G. Bowen in the 1960s, is the tendency for wages in jobs that have experienced little or no increase in labor productivity to rise in response to rising wages in other jobs that did experience high productivity growth. In turn, these sectors of the economy become more expensive ove

Trading basics

Baumol–Tobin model

The Baumol–Tobin model is an economic model of the transactions demand for money as developed independently by William Baumol (1952) and James Tobin (1956). The theory relies on the tradeoff between the liquidity provided by holding money (the ability to carry out transactions) and the interest forgone by holding one’s assets in the form of non-interest bearing money. The key variables o

Finance

Bayt al-mal

Bayt al-mal (بيت المال) is an Arabic term that is translated as "House of money" or "House of wealth". Historically, it was a financial institution responsible for the administration of taxes in Islamic states; particularly in the early Islamic Caliphate, it functioned as something of a mix between a Central Bank and a Treasury. It was managed by the caliphs and sultans, in dealing with

Securities & exchanges

Bear spread

In options trading, a bear spread is a bearish, vertical spread options strategy that can be used when the options trader is moderately bearish on the underlying security.

Securities & exchanges

Bearer instrument

A bearer instrument is a document that entitles the holder of the document to rights of ownership or title to the underlying property. In the case of shares (bearer shares) or bonds (bearer bonds), they are called bearer certificates. Unlike normal registered instruments, no record is kept of who owns bearer instruments or of transactions involving transfer of ownership, enabling the own

Fiat currencies

Beenz.com

beenz.com was a website that allowed consumers to earn beenz, a type of online currency, for performing activities such as visiting a web site, shopping online, or logging on through an Internet service provider. The beenz e-currency could then be spent with participating online merchants.

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

Behavioral economics and public policy

Behavioral economics and public policy is a field that investigates how the discipline of behavioral economics can be used to enhance the formation, implementation and evaluation of public policy. Using behavioral insights, it explores how to make policies more effective, efficient and humane by considering real-world human behavior and decision-making.

Trading basics

Behavioral strategy

Behavioral strategy is an interdisciplinary field within strategic management that integrates insights from cognitive, social, and organizational psychology to better understand how individuals and groups make strategic decisions. It challenges the assumptions of traditional economic models that presume perfect rationality, instead emphasizing how real-world decision-making is shaped by

Trading basics

Behavioural finance

Behavioural finance is the study of the influence of psychology on the behaviour of investors or financial analysts. It assumes that investors are not always rational, have limits to their self-control and are influenced by their own biases.

Finance

Beirut Central District

The Beirut Central District, historically named "Al-Balad", is the historical and geographical core of Beirut, the capital of Lebanon. Also called downtown Beirut, it has been described as the “vibrant financial, commercial, and administrative hub of the country.” It is thousands of years old, with a traditional focus on business, finance, culture, and leisure.

Trading basics

Belize dollar

The Belize dollar (also known as the Belizean dollar), known until 1973 as the British Honduras dollar, is the official currency in Belize (currency code BZD). It is normally abbreviated with the dollar sign $, or alternatively BZ$ to distinguish it from other dollar-denominated currencies.

Finance

Bellevue Group

Bellevue Group AG, headquartered in Zurich, is a listed investment management corporation based in Switzerland. The company is active in the areas of healthcare investments, investments in small and medium-sized enterprises, as well as multi asset and bonds.

Trading basics

Belt and Road Initiative

The Belt and Road Initiative (BRI or B&R), also known as One Belt One Road (Chinese: 一带一路; pinyin: Yīdài Yīlù) and sometimes called the New Silk Road, is a global infrastructure and economic development strategy pursued by the government of China since 2013. It includes projects in more than 150 countries spanning ports, railways, highways, power stations, aviation, and telecommunication

Fiat currencies

Ben Bernanke

Ben Shalom Bernanke ( bər-NANG-kee; born December 13, 1953) is an American economist who served as the 14th chairman of the Federal Reserve from 2006 to 2014. After leaving the Federal Reserve, he was appointed a distinguished fellow at the Brookings Institution. During his tenure as chairman, Bernanke oversaw the Federal Reserve's response to the 2008 financial crisis, for which he was

Finance

Benefice

A benefice () or living is a reward received, usually in exchange for (or as a consequence of) services rendered; such payment also operates as a retainer to help ensure the delivery of such services, or fulfilment of the duties of the relevant office, into the future. The term is still used, although the substance of benefices has recently changed, in many historical parishes and positi

Securities & exchanges

Beneficial ownership

In domestic and international commercial law, a beneficial owner is a natural person (or persons) who ultimately owns or controls an interest in a legal entity or arrangement, such as a company, trust, or foundation. Legal owners (i.e. owners of record), commonly described as registered owners, may hold those interests as beneficial owners or for the benefit of someone else, in which cas

Banking

Berenberg family

The Berenberg family (Dutch for "bear mountain") was a Flemish-origined Hanseatic family of merchants, bankers and senators in Hamburg, with branches in London, Livorno and other European cities. The family was descended from the brothers Hans and Paul Berenberg from Antwerp, who came as Protestant refugees to the city-republic of Hamburg following the Fall of Antwerp in 1585 and who est

Trading basics

Bermudian dollar

The Bermudian dollar or Bermuda Dollar (symbol: $; code: BMD; also abbreviated BD$) is the official currency of the British Overseas Territory of Bermuda. It is subdivided into 100 cents. The Bermudian dollar is not normally traded outside Bermuda, and is pegged to the United States dollar at a one-to-one ratio. Both currencies circulate in Bermuda on an equal basis.

Fiat currencies

Bertil Ohlin

Bertil Gotthard Ohlin (Swedish: [ˈbæ̌ʈːɪl ʊˈliːn]) (23 April 1899 – 3 August 1979) was a Swedish economist and politician. He was a professor of economics at the Stockholm School of Economics from 1929 to 1965. He was also leader of the People's Party, a social-liberal party which at the time was the largest party in opposition to the governing Social Democratic Party, from 1944 to 1967.

Finance

Beta (finance)

In finance, the beta (β or market beta or beta coefficient) is a statistic that measures the expected increase or decrease of an individual stock price in proportion to movements of the stock market as a whole. Beta can be used to indicate the contribution of an individual asset to the market risk of a portfolio when it is added in small quantity. It refers to an asset's non-diversifiabl

Banking

Bethmann family

The Bethmann family (; BET-mahn) has been remarkable for the high proportion of its male members who succeeded at mercantile or financial endeavors. This family trait began in medieval northern Germany and continued with the Bethmann bank, which Johann Philipp Bethmann (1715–1793) and Simon Moritz Bethmann (1721–1782) founded in 1748 and soon catapulted into the foremost ranks of German

Banking

Better Than Cash Alliance

The Better Than Cash Alliance is a global partnership of 80 governments, companies, and International Organizations that accelerates the transition from cash to responsible digital payments to help achieve the Sustainable Development Goals (SDGs).

Payments & settlement

BharatPe

BharatPe is an Indian fintech company headquartered in New Delhi (Delhi NCR) that provides digital payment and financial services to small merchants and Grocery stores. Founded in 2018, the company offers unified QR code payment acceptance, point-of-sale (POS) devices, and merchant credit facilities.

Trading basics

Bhutanese ngultrum

The ngultrum ( əng-GUUL-trəm or əng-GOO(L)-trəm; Dzongkha: དངུལ་ཀྲམ, romanized: dngul kram, IPA: [ŋýˈʈúm], lit. 'silver coin'; symbol: Nu., code: BTN) is the currency of the Kingdom of Bhutan. It is subdivided into 100 chhertum (Dzongkha: ཕྱེད་ཏམ, romanized: phyed tam, IPA: [pt͡ɕʰɛ́ˈtám], lit. 'half [coin]'; spelled as chetrums on coins until 1979). The Royal Monetary Authority of Bhuta

Finance

Bias ratio

The bias ratio is an indicator used in finance to analyze the returns of investment portfolios, and in performing due diligence.

Finance

Bibby Financial Services

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

Trading basics

Bid–ask spread

The bid–ask spread (also bid–offer or bid/ask and buy/sell in the case of a market maker) is the difference between the prices quoted (either by a single market maker or in a limit order book) for an immediate sale (ask) and an immediate purchase (bid) for stocks, futures contracts, options, or currency pairs in some auction scenario. The size of the bid–ask spread in a security is one m

Trading basics

Biflation

Biflation (sometimes mixflation, indeflation, or compartflation) is a state of the economy, in which the processes of inflation and deflation occur simultaneously in different parts of the economy. The term was coined in 2003 by F. Osborne Brown, a senior financial analyst at Phoenix Investment Group, and has later been widely used in the media. During the biflation, there is a simultane

Trading basics

Big Bang (financial markets)

The phrase Big Bang, used in reference to the sudden deregulation of financial markets, was coined to describe measures, including abolition of fixed commission charges and of the distinction between stockjobbers and stockbrokers on the London Stock Exchange and change from open outcry to screen-based electronic trading, effected by UK Prime Minister Margaret Thatcher in 1986.

Banking

Big Five banks of Canada

Big Five is the name colloquially given to the five largest banks that dominate the banking industry of Canada: Bank of Montreal (BMO), Bank of Nova Scotia (Scotiabank), Canadian Imperial Bank of Commerce (CIBC), Royal Bank of Canada (RBC), and Toronto-Dominion Bank (TD).

Trading basics

Bill.com

BILL Holdings, Inc. is an American company based in San Jose, California, that provides automated, cloud-based software for financial operations for small businesses in the United States. A white-labeled, end-to-end payments automation platform, Bill.com Connect is offered to financial institutions as part of their single sign-on online business banking ecosystem.

Payments & settlement

Bills of credit

Bills of credit are documents similar to banknotes issued by a government that represent a government's indebtedness to the holder. They are typically designed to circulate as currency or currency substitutes. Bills of credit are mentioned in Article One, Section 10, Clause One (also known as the Contract Clause) of the United States Constitution, where their issuance by state governme

Trading basics

Bills of Exchange Act 1882

The Bills of Exchange Act 1882 (45 & 46 Vict. c. 61) is an act of the Parliament of the United Kingdom that codified the law relating to bills of exchange. Bills of exchange are widely used to finance trade and, when discounted with a financial institution, to obtain credit.

Fiat currencies

Bimetallism

Bimetallism, also known as the bimetallic standard, is a monetary standard in which the value of the monetary unit is defined as equivalent to certain quantities of two metals, creating a fixed rate of exchange between them. In all known historical cases, the metals are gold and silver.

Assets

Binance

Binance Holdings Ltd., branded Binance, is the largest cryptocurrency exchange in terms of daily trading volume of cryptocurrencies. Binance was founded in 2017 by Changpeng Zhao. It was initially based in China, then moved to Japan, subsequently left Japan for Malta, and now has no official company headquarters.

Securities & exchanges

Binary option

A binary option is a financial exotic option in which the payoff is either some fixed monetary amount or nothing at all. The two main types of binary options are the cash-or-nothing binary option and the asset-or-nothing binary option. The former pays some fixed amount of cash if the option expires in-the-money while the latter pays the value of the underlying security. They are also cal

Finance

Binomial options pricing model

In finance, the binomial options pricing model (BOPM) provides a generalizable numerical method for the valuation of options. Essentially, the model uses a "discrete-time" (lattice based) model of the varying price over time of the underlying financial instrument, addressing cases where the closed-form Black–Scholes formula is wanting, which in general does not exist for the BOPM.

Trading basics

Biodiversity Impact Credit

A Biodiversity Impact Credit (BIC) is a transferable biodiversity credit designed to reduce global species extinction risk. The underlying BIC metric, developed by academics working at Queen Mary University of London and Bar-Ilan University, is given by a simple formula that quantifies the positive and negative effects that interventions in nature have on the mean long-term survival pro

Assets

Bitchcoin

Bitchcoin is a non-fungible token (NFT) on the Ethereum blockchain. The project was launched in early 2015 as a fork of Bitcoin, several months before the launch of Ethereum. Bitchcoin was originally backed by the artist Sarah Meyohas' photography at a fixed rate of one token to 25 square-inches of one of the artist's photographs. This was one of the first instances of a physical work of

Assets

BitClout

BitClout was an open source blockchain-based social media platform. On the platform, users could post short-form writings and photos, award money to posts they particularly like by clicking a diamond icon, as well as buy and sell "creator coins" (personalized tokens whose value depends on people's reputations). BitClout ran on a custom proof of work blockchain, and was a prototype of wha

Assets

Bitcoin

Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Based on a free-market ideology, bitcoin was invented in 2008 when an unknown person published a white paper under the pseudonym of Satoshi Nakamoto. Use of bitcoin as a currency began in 2009, with the release of its open-source implementation. From 2021 to 2025, El Salvador adopted it as legal tender curren

Trading basics

Bitcoin and politics

Bitcoin and politics influence each other in several ways. Governments of several countries use Bitcoin in various capacities, and some politicians use Bitcoin in their electoral programs.

Trading basics

Bitcoin buried in Newport landfill

In 2013, Welsh computer engineer James Howells mistakenly disposed of a laptop hard drive containing the private key for 8,000 Bitcoin in the Docksway landfill in Newport, Wales. Howells subsequently assembled a team of specialists and secured funding to excavate the site, but Newport City Council refused permission, citing galvanic corrosion of the device and health concerns of city re

Trading basics

Bitcoin City

Bitcoin City is a planned smart city project in La Unión, El Salvador. The planned city is intended to be a tax haven, and to use geothermal energy to power Bitcoin mining. The feasibility of its reliance on both geothermal energy and Bitcoin have been the subject of criticism, alongside concerns regarding delays in the project's financing and construction.

Trading basics

Bitcoin in El Salvador

El Salvador was the first country in the world to use bitcoin as legal tender, after it was adopted as such by the Legislative Assembly of El Salvador in 2021. It has been promoted by Nayib Bukele, the president of El Salvador, who claimed that it would improve the economy by making banking easier for Salvadorans, and that it would encourage foreign investment. In 2022, more Salvadorians

Trading basics

Bitcoin Law

The Bitcoin Law (Spanish: Ley Bitcoin, pronounced [ˈlej biðˈkojn]) was passed by the Legislative Assembly of El Salvador on 8 June 2021, giving the cryptocurrency bitcoin the status of legal tender within El Salvador after 7 September 2021. It was proposed by President Nayib Bukele. The text of the law stated that "the purpose of this law is to regulate bitcoin as unrestricted legal tend

Trading basics

Bitcoin protocol

The bitcoin protocol is the set of rules that govern the functioning of bitcoin. Its key components and principles are: a peer-to-peer decentralized network with no central oversight; the blockchain technology, a public ledger that records all bitcoin transactions; mining and proof of work, the process to create new bitcoins and verify transactions; and cryptographic security.

Fiat currencies

Bitcoin Satoshi Vision

Bitcoin Satoshi Vision (BSV) is a cryptocurrency that is a hard fork of Bitcoin Cash. Bitcoin Satoshi Vision was created in November 2018 by a group of individuals led by Craig Steven Wright, who has claimed since 2015 to be Satoshi Nakamoto, the creator of the original bitcoin.

Trading basics

Bitcoin scalability

Bitcoin scalability refers to the capability of the Bitcoin network to handle large amounts of transaction data on its platform. Records (known as blocks) in the Bitcoin blockchain are limited in size and frequency to prioritize security and decentralization by keeping the cost of running a Bitcoin node affordable. With an average block creation time of 10 minutes and a block size limit

Trading basics

Bitconnect

Bitconnect (stylized bitconnect and also spelled BitConnect, ticker code BCC) was an open-source cryptocurrency from 2016 to 2018 that was connected with a high-yield investment program, a type of Ponzi scheme. After the platform administrators closed the earning platform on January 16, 2018, and refunded the users' investments in BCC following a 92% coin value crash, confidence was lost

Assets

Bitdeer

Bitdeer Technologies Group, or simply Bitdeer, is a cryptocurrency mining and artificial intelligence (AI) cloud infrastructure company headquartered in Singapore and listed on the Nasdaq under the ticker BTDR. The company was spun off from bitcoin-mining chip producer Bitmain in January 2021 by founder Jihan Wu. Bitdeer is among the largest cryptocurrency miners by computing power and o

Assets

Bitfinex

Bitfinex is a cryptocurrency exchange owned and operated by iFinex Inc, and is registered in the British Virgin Islands and regulated in El Salvador. Bitfinex was founded in 2012. It was originally a peer-to-peer bitcoin exchange, and later added support for other cryptocurrencies. Bitfinex was one of the first professional platforms built for cryptocurrency trading. Bitfinex is the worl

Assets

BitFlyer

bitFlyer is a Japanese cryptocurrency exchange headquartered in Tokyo. It was founded in 2014 and is one of the largest cryptocurrency exchanges in Japan.

Assets

BitFuFu

BitFuFu Inc. (Nasdaq: FUFU) is a Bitcoin miner and mining services innovator headquartered in Singapore.

Assets

Bitget

Bitget is a cryptocurrency exchange founded in 2018.

Assets

Bitkub

Bitkub is a Thailand-based cryptocurrency exchange operated by Bitkub Online Co., Ltd. (Thai: บริษัทบิทคับ ออนไลน์ จำกัด) under its parent group Bitkub Capital Group Holdings (Bitkub Capital Co., Ltd.). The company was founded in 2018 by Jirayut Srupsrisopa and was among the first exchanges to receive a digital asset license from Thailand’s Securities and Exchange Commission (SEC) in 201

Assets

BitMEX

BitMEX was a cryptocurrency exchange and derivative trading platform incorporated in the Seychelles. It was operated by HDR Global Trading Limited.

Trading basics

Bitnation

Bitnation, or crypto nation, was a cryptocurrency-based project self-described as a "voluntary nation", wherein all citizens chose to be citizens, founded in 2014 by Susanne Tarkowski Tempelhof. A part of the process for becoming a citizen involved recording vital records, identity, and other legal events through the use of a smart contract on the Ethereum blockchain.

Payments & settlement

BitPay

BitPay is a cryptocurrency payment service provider headquartered in Atlanta, Georgia, United States. It was founded in May 2011 by Tony Gallippi and Stephen Pair. BitPay provides crypto payment processing services for merchants and a cryptocurrency wallet available on mobile and desktop.

Trading basics

Bitstamp

Bitstamp is a Luxembourg-based cryptocurrency exchange founded in 2011. Considered the world’s longest-running cryptocurrency exchange, its business operations are conducted from its registered headquarters in Luxembourg City, with a satellite office in Ljubljana.

Assets

Bitwala

Bitwala is a Berlin-based cryptocurrency financial services company offering a self-custodial Bitcoin wallet, a Visa debit card, crypto trading, and crypto-backed loans. The company was founded in 2015 by Jörg von Minckwitz, Jan Goslicki, and Benjamin P. Jones. After operating briefly under the name Nuri from 2021 to 2022, the company returned to the Bitwala brand in late 2023 following

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.

Trading basics

Black budget

A black budget or covert appropriation is a government budget that is allocated for classified or other secret operations of a state. The black budget is an account of expenses and spending related to military research and covert operations. The black budget is mostly classified because of security reasons.

Fiat currencies

Black Eagle Silver Certificate

The Black Eagle is a type of one-dollar silver certificate produced in 1899 in the United States. The note measured 7.38 in (187 mm) by 3.18 in (81 mm); it was of the large-size variety of bank-notes issued by the United States. The note featured a Bald eagle with its wings spread. The note was also referred to as "Eagle of the Capitol", because the United States Capitol is visible behin

Finance

Black Knight, Inc.

Black Knight, Inc. is an American corporation that provides integrated technology, services, data and analytics to the mortgage lending, servicing and real estate industries, as well as the capital and secondary markets. Black Knight is also known for its monthly benchmark data reports: Mortgage Monitor, a month-end analysis of mortgage performance statistics derived from Black Knight's

Finance

Black model

The Black model (also known as the Black-76 model) is a variant of the Black–Scholes option pricing model. Its primary applications are for pricing options on future contracts, bond options, interest rate cap and floors, and swaptions. It was first presented in a paper written by Fischer Black in 1976.

Finance

Black Sea Trade and Development Bank

The Black Sea Trade and Development Bank (BSTDB) is an international development finance institution serving the eleven member founding countries of the Black Sea Economic Cooperation, a regional economic organization. It supports economic development and regional cooperation by providing loans, guarantees, and equity for development projects and trade transactions. BSTDB supports both p

Finance

Black–Derman–Toy model

In mathematical finance, the Black–Derman–Toy model (BDT) is a popular short-rate model used in the pricing of bond options, swaptions and other interest rate derivatives; see Lattice model (finance) § Interest rate derivatives. It is a one-factor model; that is, a single stochastic factor—the short rate—determines the future evolution of all interest rates. It was the first model to com

Finance

Black–Scholes equation

In mathematical finance, the Black–Scholes equation, also called the Black–Scholes–Merton equation, is a partial differential equation (PDE) governing the price evolution of derivatives under the Black–Scholes model. Broadly speaking, the term may refer to a similar PDE that can be derived for a variety of options, or more generally, derivatives.

Securities & exchanges

Black–Scholes model

The Black–Scholes or Black–Scholes–Merton model is a mathematical model for the dynamics of a financial market containing derivative investment instruments. From the parabolic partial differential equation in the model, known as the Black–Scholes equation, one can deduce the Black–Scholes formula, which gives a theoretical estimate of the price of European-style options and shows that t

Finance

Blank cheque

A blank cheque or blank check in the literal sense is a cheque that has no monetary value written in, but is already signed. In the figurative sense, it is used to describe a situation in which an agreement has been made that is open-ended or vague, and therefore subject to abuse, or in which a party is willing to consider any expense in the pursuance of their goals. The term carte blanc

Payments & settlement

Blik

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

Trading basics

Block trade

A block trade is a high-volume transaction in a security that is privately negotiated and executed outside of the open market for that security. Major broker-dealers often provide "block trading" services—sometimes known as "upstairs trading desks"—to their institutional clients. In the United States and Canada a block trade is usually at least 10,000 shares of a stock or $100,000 of bo

Trading basics

Block, Inc.

Block, Inc. (formerly Square, Inc.) is an American technology company and financial services provider for consumers and merchants. Founded in 2009 by Jack Dorsey, it is the U.S. market leader in point-of-sale systems. As of 2024, Block has 57 million users and 4 million sellers, processing $241 billion in payments annually.