Industry WIKI

The 1994 bond market crisis, or Great Bond Massacre, was a sudden drop in bond market prices across the developed world. It began in Japan and the United States (US), and spread through the rest of the world. After the recession of the early 1990s, historically low interest rates in many industrialized nations preceded an unexpectedly volatile year for bond investors, including those tha

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.

The 2023 United States banking crisis was a series of bank failures and bankruptcies that took place in early 2023, with the United States federal government ultimately intervening in several ways. Over the course of five days in March 2023, three small-to-mid size U.S. banks failed, triggering a sharp decline in global bank stock prices and swift response by regulators to prevent poten

Aave is a decentralized finance protocol (DeFi) that enables the lending and borrowing of cryptocurrencies without the involvement of intermediary financial institutions.

In accounting, liquidity (or accounting liquidity) is a measure of the ability of a debtor to pay their debts as and when they fall due. It is usually expressed as a ratio or a percentage of current liabilities. Liquidity is the ability to pay short-term obligations.

On 19 March 2023, Swiss bank UBS Group AG agreed to buy Credit Suisse for CHF 3 billion (US$3.2 billion) in an all-stock deal brokered by the government of Switzerland and the Swiss Financial Market Supervisory Authority. The Swiss National Bank supported the deal by providing more than CHF 100 billion (US$104 billion) in liquidity to UBS following its takeover of Credit Suisse's operati

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

Algorithmic trading is a method of executing orders using automated pre-programmed trading instructions accounting for variables such as time, price, and volume. This type of trading attempts to leverage the speed and computational resources of computers relative to human traders. In the twenty-first century, algorithmic trading has been gaining traction with both retail and institutiona

Alpha is a measure of the active return on an investment, the performance of that investment compared with a suitable market index. An alpha of 1% means the investment's return on investment over a selected period of time was 1% better than the market during that same period; a negative alpha means the investment underperformed the market.

Alternative trading system (ATS) is a US and Canadian regulatory term for a non-exchange trading venue that matches buyers and sellers to find counterparties for transactions. Alternative trading systems are typically regulated as broker-dealers rather than as exchanges (although an alternative trading system can apply to be regulated as a securities exchange). In general, for regulatory

Arbitrage ( , UK also ) is the practice of taking advantage of a difference in prices in two or more markets – striking a combination of matching deals to capitalize on the difference, the profit being the difference between the market prices at which the unit is traded. Arbitrage has the effect of causing prices of the same or very similar assets in different markets to converge.

In finance, arbitrage pricing theory (APT) is a multi-factor model for asset pricing which relates various macro-economic (systematic) risk variables to the pricing of financial assets. Proposed by economist Stephen Ross in 1976, it is widely believed to be an improved alternative to its predecessor, the capital asset pricing model (CAPM). APT is founded upon the law of one price, which

Artificial intelligence marketing (AI marketing) is a form of marketing that uses artificial intelligence concepts and models such as machine learning, natural language processing, and computer vision to achieve marketing goals. The main difference between AI marketing and traditional forms of marketing resides in the reasoning, which is performed through a computer algorithm rather than

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

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.

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

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

A bank account is a financial account maintained by a bank or other financial institution in which the financial transactions between the bank and a customer are recorded. Each financial institution sets the terms and conditions for each type of account it offers, which are classified in commonly understood types, such as deposit accounts, credit card accounts, current accounts, loan ac

A bank run or run on the bank occurs when many clients withdraw their money from a bank, because they believe the bank may fail in the near future. It may occur when, in a fractional-reserve banking system (where banks normally only keep a small proportion of their assets as cash), a large volume of customers seek to withdraw a greater amount of cash from deposit accounts with a financia

Banking secrecy, alternatively known as financial privacy, banking discretion, or bank safety, is a conditional agreement between a bank and its clients that all foregoing activities remain secure, confidential, and private. Most often associated with banking in Switzerland, banking secrecy is prevalent in Luxembourg, Monaco, Hong Kong, Singapore, Ireland, and Lebanon, among other off-sh

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

"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.

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.

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.

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

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

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

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

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

A blockchain is a distributed ledger with growing lists of records (blocks) that are securely linked together via cryptographic hashes. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree, where data nodes are represented by leaves). Since each block contains information about the previous block, they e

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.

The Borsa İstanbul (BİST) is the sole exchange entity of Turkey combining the former Istanbul Stock Exchange (ISE; Turkish: İstanbul Menkul Kıymetler Borsası, IMKB), the Istanbul Gold Exchange (İstanbul Altın Borsası, İAB) and the Derivatives Exchange of Turkey (Vadeli İşlem Opsiyon Borsası, VOB) under one umbrella. It was established as an incorporated company with a founding capital o

The Bretton Woods Conference, formally known as the United Nations Monetary and Financial Conference, was the gathering of 730 delegates from all 44 allied nations at the Mount Washington Hotel, in Bretton Woods, New Hampshire, United States, to regulate what would be the international monetary and financial order after the conclusion of World War II.

BRICS Pay (stylized as BRICS PAY) is a decentralized and independent payment messaging mechanism system that is affiliated with the BRICS organization.

In financial services, a broker-dealer is a natural person, company or other organization that engages in the business of trading securities for its own account or on behalf of its customers. Broker-dealers are at the heart of the securities and derivatives trading process.

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

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.

The Buffett indicator (or the Buffett metric, or the Market capitalization-to-GDP ratio) is a valuation multiple used to assess how expensive or cheap the aggregate stock market is at a given point in time. It was proposed as a metric by investor Warren Buffett in 2001, who called it "probably the best single measure of where valuations stand at any given moment", and its modern form co

In finance, the capital asset pricing model (CAPM) is a model used to determine a theoretically appropriate required rate of return of an asset, to make decisions about adding assets to a well-diversified portfolio. The model takes into account the asset's sensitivity to non-diversifiable risk (also known as systematic risk or market risk), often represented by the quantity beta (β) in t

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

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

The Caribbean Financial Action Task Force (CFATF) is an organization of states and territories of the Caribbean Basin that have agreed to implement common counter-measures against money laundering. CFATF has associate status within the Financial Action Task Force on Money Laundering (FATF).

A central securities depository (CSD) is a specialized financial market infrastructure organization holding securities such as shares or bonds, either in certificated or uncertificated (dematerialized) form, allowing ownership to be easily transferred through a book entry rather than by a transfer of physical certificates. This allows brokers and financial companies to hold their securit

A Christmas club is a special-purpose savings account, first offered by various banks and credit unions in the United States beginning in the early 20th century, including the Great Depression. Bank customers would deposit a set amount of money each week into a savings account, and receive the money back at the end of the year for Christmas shopping.

Circular economy (CE), or circularity, is a model of resource production and consumption that involves sharing, leasing, reusing, repairing, refurbishing, and recycling materials and products, to extend product life cycle for as long as possible. The concept aims to tackle global challenges such as climate change, biodiversity loss, waste, and pollution by emphasizing the design-based im

Clawback or claw back is any money or benefits that have been given out, but are required to be returned (clawed back) due to special circumstances or events, such as the money having been received as the result of a financial crime, or where there is a clawback provision in the executive compensation contract.

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

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.

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).

A commodity market is a market that trades in the primary economic sector rather than manufactured products. The primary sector includes agricultural products, energy products, and metals. Soft commodities may be perishable and harvested, while hard commodities are usually mined, such as gold and oil. Futures contracts are the oldest way of investing in commodities. Commodity markets ca

A Commodity pool operator (CPO) is an individual or organization that solicits or receives funds to use in the operation of a commodity pool, syndicate, collective investment vehicle, investment trust, or similar structure, specifically for trading (buying and selling) of and in commodity interests. Such commodity interests include commodity futures, swaps, options and/or leverage transa

Commodity price shocks are times when the prices for commodities have drastically increased or decreased over a short span of time.

A commodity trading advisor (CTA) is US financial regulatory term for an individual or organization who is retained by a fund or individual client to provide advice and services related to trading in futures contracts, commodity options and/or swaps. They are responsible for the trading within managed futures accounts. The definition of CTA may also apply to investment advisors for hedge

Originally developed in 2019 by Microsoft under the name Coco and later rebranded to Confidential Consortium Framework (CCF), it is an open-source framework for developing of a new category of performant applications that focuses on the optimization of secure multi-party computation and data availability. Intended to accelerate the adoption of blockchain technology by enterprises, CCF ca

Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for making secure payments. The embedded integrated circuit chip and antenna enable consumers to wave their card, fob, or handheld device over a reader at the

Convergence trade is a trading strategy consisting of two positions: buying one asset forward—i.e., for delivery in future (going long the asset)—and selling a similar asset forward (going short the asset) for a higher price, in the expectation that by the time the assets must be delivered, the prices will have become closer to equal (will have converged), and thus one profits by the amo

Convertible arbitrage is a market-neutral investment strategy often employed by hedge funds. It involves the simultaneous purchase of convertible securities and the short sale of the same issuer's common stock.

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

The Corn Exchange was a commercial building in Mark Lane, London, England. The original structure dated from 1747, but the exchange later amalgamated with a rival exchange and was rebuilt several times before finally closing in 1987.

Corporate finance is an area of finance that deals with the sources of funding, and the capital structure of businesses, the actions that managers take to increase the value of the firm to the shareholders, and the tools and analysis used to allocate financial resources. The primary goal of corporate finance is to maximize or increase shareholder value.

A credit bureau is a data collection agency that gathers account information from various creditors and provides that information to a consumer reporting agency in the United States, a credit reference agency in the United Kingdom, a credit reporting body in Australia, a credit information company (CIC) in India, a Special Accessing Entity in the Philippines, and also to private lenders.

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.

The Cross-border Interbank Payment System (CIPS; Chinese: 跨境银行间支付清算有限责任公司) is a Chinese payment system that offers clearing and settlement services for its participants in cross-border renminbi (RMB) payments and trade. CIPS is backed by the People's Bank of China and was launched in 2015 as part of a policy effort to internationalize the use of China's currency.

A crossing network is an alternative trading system (ATS) that matches buy and sell orders electronically for execution without first routing the order to an exchange or other public displayed market such as an electronic communication network (ECN). Such crossing networks are a type of dark pool that employ computerized systems to match buyers and sellers of large blocks of shares with

Crowdfunding is the practice of funding a project or venture by raising money from a large number of people, typically via the internet. Crowdfunding is a form of crowdsourcing and alternative finance, to fund projects "without standard financial intermediaries". In 2015, over US$34 billion was raised worldwide by crowdfunding. One of the companies that obtained money through crowdfundin

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.

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

Cryptocurrency is a type of digital asset that uses distributed ledger, or blockchain, technology to enable a secure transaction.

Cryptocurrency has been used extensively in criminal activities, such as investment and romance scams (often called "pig-butchering"), ransomware payments, thefts and exchange hacks, money laundering and sanctions evasion, darknet-market transactions, and off-chain coercion to obtain private keys. Law enforcement notes that investment fraud and laundering are frequent criminal uses of cr

A cryptocurrency bubble is a phenomenon where the market increasingly considers the going price of cryptocurrency assets to be inflated against their hypothetical value. The history of cryptocurrency has been marked by several speculative bubbles on a boom to bust cycle.

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

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

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

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.

A currency crisis is a type of financial crisis, and is often associated with a real economic crisis. A currency crisis raises the probability of a banking crisis or a default crisis. During a currency crisis the value of foreign denominated debt will rise drastically relative to the declining value of the home currency. Generally doubt exists as to whether a country's central bank has s

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

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

A custodian bank, or simply custodian, is a specialized financial institution responsible for providing securities services. It provides post-trade services and solutions for asset owners, asset managers, banks and broker-dealers. Custodial banks do not engage in traditional commercial or retail banking services like lending.

In finance, a dark pool (also black pool) is a private forum (alternative trading system or ATS) for trading securities, derivatives, and other financial instruments. Liquidity on these markets is called dark pool liquidity. The bulk of dark pool trades represent large trades by financial institutions that are offered away from public exchanges like the New York Stock Exchange and the NA

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.

In finance, a dead cat bounce is a small, brief recovery in the price of a declining asset. Derived from the idea that "even a dead cat will bounce if it falls from a great height", the phrase is also popularly applied to any case where a subject experiences a brief resurgence during or following a severe decline. This may also be known as a "sucker rally".

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.

Debit card cashback (known as cashback at the tills in the United Kingdom, and as cash out in Australia and New Zealand), is a service offered to retail customers whereby an amount is added to the total purchase price of a transaction paid by debit card and the customer receives that amount in cash along with the purchase. For example, a customer purchasing $18.99 worth of goods at a su

Decentraland is a 3D virtual world platform. Users may buy virtual plots of land in the platform as NFTs via the MANA cryptocurrency, which uses the Ethereum blockchain. Designers can create and sell clothes and accessories for the avatars to be used in the virtual world.

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

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.

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

In finance, delta neutral describes a portfolio of related financial securities, in which the portfolio value remains unchanged when small changes occur in the value of the underlying security (having zero delta). Such a portfolio typically contains options and their corresponding underlying securities such that positive and negative delta components offset, resulting in the portfolio's

A deposit account is a bank account maintained by a financial institution in which a customer can deposit and withdraw money. Deposit accounts can be savings accounts, current accounts or any of several other types of accounts explained below.

The Depository Trust & Clearing Corporation (DTCC) is an American financial market infrastructure company that provides clearing, settlement and trade reporting services to financial market participants. It performs the exchange of securities on behalf of buyers and sellers and functions as a central securities depository by providing central custody of securities.

A direct bank (sometimes called a branch-less bank or virtual bank) is a bank that offers its services only via the Internet, mobile app, email, and other electronic means, often including telephone, online chat, and mobile check deposit. A direct bank has no branch network. It may offer access to an independent banking agent network and may also provide access via ATMs (often through in

A direct debit or direct withdrawal is a mandated financial transaction whereby a payer authorizes a payee to draw varying recurring amounts directly from the payer's bank account, commonly used for billing utilities, loans, and subscriptions. Formally, the organisation that calls for the funds ("the payee") instructs their bank to collect (i.e., debit) an amount directly from another's

Direct market access (DMA) in financial markets is the electronic trading infrastructure that gives investors wishing to trade in financial instruments a way to interact with the order book of an exchange. Normally, trading on the order book is restricted to broker-dealers and market making firms that are members of the exchange. Using DMA, investment companies (also known as buy side fi

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 (

The dividend yield of a share is the ratio of annualised cash dividends to the share's current market price. It is usually expressed as a percentage and is commonly calculated by dividing the annual dividend per share by the current share price.

Dogecoin ( DOHJ-koyn or DOHZH-koyn, Abbreviation: DOGE; sign: Ð) is a cryptocurrency created by software engineers Billy Markus and Jackson Palmer, who decided to create a payment system as a joke, making fun of the wild speculation in cryptocurrencies at the time. It is considered both the first "meme coin", and more specifically the first "dog coin". Despite its satirical nature, some

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.

In economics, a dual exchange rate is the occurrence of two different values of a currency for different sets of monetary transactions. One of the most common types consists of a government setting one exchange rate for specific transactions involving foreign exchange and another exchange rate governing other transactions.

Dupont analysis is a tool used in financial analysis, where return on equity (ROE) is separated into its component parts.

Earning yield is the quotient of earnings per share (E), divided by the share price (P), giving E/P. It is the reciprocal of the P/E ratio.