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Digital assets and currencies

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

Securities & exchanges

Local volatility

A local volatility model, in mathematical finance and financial engineering, is an option pricing model that treats volatility as a function of both the current asset level

Fiat currencies

London Gold Pool

The London Gold Pool was the pooling of gold reserves by a group of eight central banks in the United States and seven European countries that agreed on 1 November 1961 to cooperate in maintaining the Bretton Woods System of fixed-rate convertible currencies and defending a gold price of US$35 per troy ounce by interventions in the London gold market.

Finance

Lookback option

Lookback options, in the terminology of finance, are a type of exotic option with path dependency, among many other kind of options. The payoff depends on the optimal (maximum or minimum) underlying asset's price occurring over the life of the option. The option allows the holder to "look back" over time to determine the payoff. There exist two kinds of lookback options: with floating st

Fiat currencies

Louvre Accord

The Louvre Accord (formally, the Statement of the G6 Finance Ministers and Central Bank Governors) was an agreement, signed on February 22, 1987, in Paris, that aimed to stabilize international currency markets and halt the continued decline of the US dollar after 1985 following the Plaza Accord. It was considered, from a relational international contract viewpoint, as a rational comprom

Finance

Luke Dashjr

Luke Dashjr is an American software developer known for his long-standing role in the development of Bitcoin Core and for co-founding the Bitcoin mining pool Ocean.

Assets

Malone Lam

Malone Lam Yu Xuan (born 19 July 2004) is a Singaporean man convicted for his connection to a cryptocurrency theft and money laundering scheme exceeding $260 million, according to the U.S. Attorney's Office for the District of Columbia.

Fiat currencies

Managed float regime

A managed float regime, also known as a dirty float, is a type of exchange rate regime where a currency's value is allowed to fluctuate in response to foreign-exchange market mechanisms (i.e., supply and demand), but the central bank or monetary authority of the country intervenes occasionally to stabilize or steer the currency's value in a particular direction. This is in contrast to a

Trading basics

Manx pound

The pound (abbreviation: IMP; sign: £), or Manx pound (Manx: Punt Manninagh; in order to distinguish it from other similar-named currencies), is the currency of the Isle of Man, at parity with sterling. The Manx pound is divided into 100 pence. Notes and coins, denominated in pounds and pence, are issued by the Isle of Man Government.

Securities & exchanges

Marex (company)

Marex Group plc is a financial services company. The company's clients are predominantly commodity producers and consumers, banks, hedge funds, asset managers, broking houses, commodity trading advisors and professional traders. Marex currently has over 2,300 employees and over 40 offices across Europe, USA and APAC.

Finance

Margrabe's formula

In mathematical finance, Margrabe's formula is an option pricing formula applicable to an option to exchange one risky asset for another risky asset at maturity. It was derived by William Margrabe in 1978. Margrabe's paper has been cited by over 2000 subsequent articles.

Finance

Market distortion

In neoclassical economics, a market distortion is any event in which a market reaches a market clearing price for an item that is substantially different from the price that a market would achieve while operating under conditions of perfect competition and state enforcement of legal contracts and the ownership of private property. In other words, a distortion is "any departure from the i

Finance

Market Identifier Code

The Market Identifier Code (MIC) (ISO 10383) is a unique identification code used to identify securities trading exchanges, regulated and non-regulated trading markets. The MIC is a four alphanumeric character code, and is defined in ISO 10383 by the International Organization for Standardization (ISO). For example, the US NASDAQ market is identified by MIC XNAS.

Finance

Market maker

A market maker or liquidity provider is a company or individual that quotes both a buy and a sell price in a tradable asset held in inventory, hoping to make a profit on the difference, which is called the bid–ask spread or turn. This stabilizes the market, reducing price variation (volatility) by setting a trading price range for the asset.

Trading basics

Market risk

Market risk is the risk of losses in positions arising from movements in market variables like prices and volatility.

Securities & exchanges

Market sentiment

Market sentiment, also known as investor attention, is the general prevailing attitude of investors as to anticipated price development in a market. This attitude is the accumulation of a variety of fundamental and technical factors, including price history, economic reports, seasonal factors, and national and world events. If investors expect upward price movement in the stock market, t

Networks

Markets in Crypto-Assets

Markets in Crypto-Assets (MiCA or MiCAR) is a regulation in European Union (EU) law that establishes a regulatory framework for crypto-assets in the EU, including cryptocurrencies, security tokens and stablecoins. It was adopted by the EU Parliament on 20 April 2023 and has applied in full since December 2024.

Trading basics

Master data management

Master data management (MDM) is a discipline in which business and information technology collaborate to ensure the uniformity, accuracy, stewardship, semantic consistency, and accountability of the enterprise's official shared master data assets.

Fiat currencies

Matchbook FX

Matchbook FX was an Internet-based electronic communication network ("ECN" or Electronic Trading Network) for trading currency online in the Spot-FX or foreign exchange market. It operated between 1999 and 2002.

Payments & settlement

Maya (mobile payments)

Maya (formerly known as PayMaya) is a brand of Filipino financial services and digital payments based in Metro Manila, Philippines.

Assets

MazaCoin

MazaCoin (Maza, MZC) is a cryptocurrency launched in 2014 by developer Payu Harris. It was created with the goal of providing a digital currency for the Oglala Lakota tribe in South Dakota.

Fiat currencies

Medium of exchange

In economics, a medium of exchange is any item that is widely accepted in exchange for goods and services. In modern economies, the most commonly used medium of exchange is currency. Most forms of money function as media of exchange, including commodity money, representative money, cryptocurrency, and most commonly fiat money. Representative and fiat money exist in digital form as well a

Assets

Meme coin

A meme coin (also spelled memecoin) is a cryptocurrency that originated from an internet meme or has some other humorous characteristic.

Banking

Merchant bank

A merchant bank is historically a bank dealing in commercial loans and investment. In modern British usage, it is the same as an investment bank. Merchant banks were the first modern banks and evolved from medieval merchants who traded in commodities, particularly cloth merchants. Historically, merchant banks' purpose was to facilitate or finance the production and trade of commodities,

Payments & settlement

Merchant Customer Exchange

Merchant Customer Exchange (MCX) was an American company created by a consortium of U.S. retail companies to develop a merchant-owned mobile payment system, which was to be called "CurrentC." The joint venture was announced on August 15, 2012.

Trading basics

Merchantrade Asia

Merchantrade Asia (Merchantrade) is a financial service company based in Malaysia. The company's business is centered on international money transfers, foreign currency exchange, wholesale banknotes, digital payment processing and mobile telecommunications. They also introduced microinsurance as part of their service offerings.

Fiat currencies

Metallism

Metallism is the economic principle that the value of money derives from the purchasing power of the commodity upon which it is based. The currency in a metallist monetary system may be made from the commodity itself (commodity money) or it may use tokens (such as national banknotes) redeemable in that commodity. Georg Friedrich Knapp (1842–1926) coined the term "metallism" to describe

Trading basics

MetaMask

MetaMask is a software cryptocurrency wallet developed by ConsenSys for interacting with the Ethereum blockchain and other EVM-compatible networks. It enables users to manage Ethereum accounts and connect to decentralized applications (dApps) via a browser extension or mobile app.

Payments & settlement

Micropayment

A micropayment is a financial transaction involving a very small sum of money and usually one that occurs online. Several micropayment systems were proposed and developed in the mid-to-late 1990s that were ultimately unsuccessful. A second generation of micropayment systems emerged in the 2010s.

Fiat currencies

Microsoft Points

Microsoft Points, introduced in November 2005 as Xbox Live Points, were a digital currency issued by Microsoft for use on its Xbox and Zune product lines. Points could be used to purchase video games and downloadable content from Xbox Live Marketplace, digital content such as music and videos on Zune Marketplace, along with content from Windows Live Gallery.

Fiat currencies

Midpoint (company)

Midpoint (Midpoint Holdings Ltd) is a UK headquartered, Toronto and Frankfurt listed company providing international payments and peer-to-peer foreign exchange (bureau de change) services to individual and corporate customers. Midpoint is the world’s first dedicated peer-to-peer international foreign currency matching platform. The company's patented matching technology was the first app

Payments & settlement

Military payment certificate

Military payment certificates, or MPC, was a form of currency used to pay United States (US) military personnel in certain foreign countries in the mid and late twentieth century. They were used in one area or another from a few months after the end of World War II until a few months after the end of U.S. participation in the Vietnam War – from 1946 until 1973. The certificates were made

Assets

Mining pool

In the context of cryptocurrency mining, a mining pool is the pooling of resources by miners, who share their processing power over a network, to split the reward equally, according to the amount of work they contributed to the probability of finding a block. A "share" is awarded to members of the mining pool who present a valid partial proof-of-work. Mining in pools began when the diffi

Finance

Ministry of finance

A ministry of finance is a ministry or other government agency in charge of government finance, fiscal policy, and financial regulation. It is headed by a finance minister, an executive or cabinet position.

Finance

Ministry of Finance (Austria)

The Ministry of Finance (German: Bundesministerium für Finanzen) is the government ministry of Austria responsible for the collection of taxes and customs as well as the administration of fiscal and economic policy. It oversees the Revenue Service, the Revenue Service for Large Businesses, the Financial Police, and various other agencies.

Finance

Ministry of Finance (India)

The Ministry of Finance (IAST: Vitta Mantrālaya) is a ministry of the Government of India concerned with the economy of India, serving as the Treasury of India. In particular, it concerns itself with taxation, financial legislation, financial institutions, capital markets, currency regulation, banking service, centre and state finances, and the Union Budget.

Finance

Ministry of Finance (Nepal)

The Ministry of Finance (Nepali: अर्थ मन्त्रालय) is the central authority of Government of Nepal charged with the responsibilities for maintaining both micro and macro economic stability in the country.

Fiat currencies

MintChip

MintChip is a digital currency that provides the underlying system to facilitate the exchange of value between consumers and merchants in real-time. It was designed to reduce the cost and risk of financial transactions. This technology was created by the Royal Canadian Mint, backed by the Government of Canada and denominated in a variety of fiat currencies. The Royal Canadian Mint announ

Payments & settlement

Mir Pay

Mir Pay is a Russian contactless payment service for smartphones. It was developed as part of the digital transformation of Russia's financial market and has been described as a significant event on the domestic Russian market.

Finance

Mirror trading

Mirror trading is a trading selection methodology that can be carried out in both the foreign exchange and the stock markets; however, this is much more common in trading in the foreign exchange market.

Payments & settlement

MobiKwik

One MobiKwik Systems Limited, doing business as MobiKwik, is an Indian financial technology company, headquartered in Gurugram, Haryana. Founded in 2009 that provides a mobile phone-based payment system and digital wallet.

Assets

MobileCoin

MobileCoin, also known as Sentz, is a peer-to-peer cryptocurrency developed by MobileCoin Inc., which was founded in 2017 by Josh Goldbard and Shane Glynn.

Payments & settlement

MobilePay

MobilePay is a mobile payment application used in Denmark and Finland. The service allows payments by means of a smartphone application and was first introduced in 2013 by Danske Bank. It was introduced to Finland later in the same year and since 2017 it has been used by all banks in Denmark. As of 2022, MobilePay had more than 4.4 million users in Denmark (total population: 5.8 million)

Banking

Modern gold dinar

The modern gold dinar (sometimes referred as Islamic dinar or Gold dinar) is a proposed bullion gold coin, so far not issued as official currency by any national state. It aims to revive the historical gold dinar, which was a leading coin of early Islam. Advocates have suggested it could consist of minted gold coins (dinars) or of silver coins (dirhams).

Assets

Monero

Monero (; abbreviation: XMR) is a blockchain-based cryptocurrency which is private, untraceable, fungible, and decentralized.

Fiat currencies

Monetae cudendae ratio

"Monetae cudendae ratio" (also spelled "Monetæ cudendæ ratio"; English: "On the Minting of Coin" or "On the Striking of Coin"; sometimes, "Treatise on Money") is a paper on coinage by Nicolaus Copernicus (Polish: Mikołaj Kopernik). It was written in 1526 at the request of Sigismund I the Old, King of Poland, and presented to the Prussian Diet.

Fiat currencies

Monetary base

In economics, the monetary base (also base money, money base, high-powered money, reserve money, outside money, central bank money or, in the UK, narrow money) in a country is the total amount of money created by the central bank. This includes:

Fiat currencies

Monetary hegemony

Monetary hegemony is an economic and political concept in which a single state has decisive influence over the functions of the international monetary system. A monetary hegemon would need:

Fiat currencies

Monetary reform

Monetary reform refers to proposals to change a country's monetary system, including how money is created, regulated, and distributed. Such reforms seek to address perceived problems with current monetary schemes, like financial instability, wealth inequality, or inflation. Monetary reform movements grow during economic crises, proposing alternatives to prevailing systems.

Fiat currencies

Monetary sovereignty

Monetary sovereignty is the power of the state to exercise exclusive legal control over its currency and monetary policy. This includes the authority to designate a country's legal tender, control the money supply, set interest rates, and regulate financial institutions. Monetary sovereignty is crucial for national sovereignty, economic independence, and policy autonomy.

Banking

Monetary system

A monetary system is a system where a government manages money in a country's economy. Modern monetary systems usually consist of a national treasury, a mint, central banks and commercial banks.

Fiat currencies

Money burning

Money burning or burning money is the purposeful act of destroying money. In the prototypical example, banknotes are destroyed by setting them on fire. Burning money decreases the wealth of the owner without directly enriching any particular party. It also reduces the money supply and (very slightly) slows down the inflation rate.

Banking

Money center bank

A money center bank (also written money-center bank) is a bank or bank holding company that is a particular kind of high-end commercial bank: located in a major financial center such as New York or San Francisco, its lending operations are financed by borrowings from other banks or by issuing bonds. Money center banks tend to engage in a number of different or related businesses, such as

Banking

Money changer

A money changer is a person or organization whose business is the exchange of coins or currency of one country for that of another. This trade was a predecessor of modern banking.

Payments & settlement

Moneycorp

Moneycorp is a British payment company that provides foreign exchange and global payment services to individual and corporate customers. The company was founded in London in 1979. Its clients include individuals, corporations, and other financial institution. It has a branches in the United Kingdom, North America, Europe, Asia and a number of other countries.

Payments & settlement

MoneyGram

MoneyGram International, Inc. is an American interstate and international peer-to-peer payments and money transfer company headquartered in Dallas, Texas. It has an operations center in St. Louis Park, Minnesota, and regional and local offices around the world.

Securities & exchanges

Moneyness

In finance, moneyness is the relative position of the current price (or future price) of an underlying asset (e.g., a stock) with respect to the strike price of a derivative, most commonly a call option or a put option. Moneyness is firstly a three-fold classification:

Trading basics

Moscow Exchange

The Moscow Exchange (MOEX; Russian: Московская биржа, romanized: Moskovskaya birzha, IPA: [mɐˈskofskəjə ˈbʲirʐə]) is the largest exchange in Russia, operating trading markets in equities, bonds, derivatives, the foreign exchange market, money markets, and precious metals. The Moscow Exchange also operates Russia's central securities depository, the National Settlement Depository (NSD), a

Securities & exchanges

Moscow Interbank Currency Exchange

The Moscow Interbank Currency Exchange (Russian: Московская межбанковская валютная биржа) or MICEX (Russian: ММВБ) was a stock exchange that operated in Russia from 1992 to 2011. MICEX was the leading Russian stock exchange and one of the largest universal stock exchanges in Eastern Europe. It merged with the Russian Trading System in 2011, creating Moscow Exchange.

Banking

Mount of piety

A mount of piety is an institutional pawnbroker run as a charity in Europe from Renaissance times until today. Similar institutions were established in the colonies of Catholic countries; the Mexican Nacional Monte de Piedad is still in operation.

Trading basics

Mt. Gox

Mt. Gox was a bitcoin exchange based in Shibuya, Tokyo, Japan. Launched in 2010, it was handling over 70% of all bitcoin transactions worldwide by early 2014, when it abruptly ceased operations amid revelations of its involvement in the loss/theft of hundreds of thousands of bitcoin, then worth hundreds of millions in US dollars.

Finance

Multi-curve framework

In mathematical finance, the multi-curve framework refers to

Finance

Naked option

A naked option or uncovered option is an options strategy where the options contract writer (i.e., the seller) does not hold the underlying asset to cover the contract in case of assignment (like in a covered option). Nor does the seller hold any option of the same class on the same underlying asset that could protect against potential losses (like in an options spread). A naked option i

Assets

Namecoin

Namecoin (Abbreviation: NMC; sign:

Trading basics

Namibian dollar

The Namibian dollar (symbol: $ or N$; code: NAD) has been the currency of Namibia since 1993. It is normally abbreviated with the dollar sign ($), or alternatively N$ to distinguish it from other currencies called “dollar.” It is divided into 100 cents.

Assets

Nano (cryptocurrency)

Nano (Abbreviation: XNO) is a cryptocurrency characterized by a directed acyclic graph data structure and distributed ledger, making it possible for Nano to work without intermediaries. To agree on what transactions to commit (i.e., achieving consensus), it uses a voting system with weight based on the amount of currency an account holds.

Banking

National Bank of Panama

The National Bank of Panama (Spanish: Banco Nacional de Panamá, BNP) is one of two Panamanian government-owned banks. As of January 2009, it held deposits of about US$5 billion. The other government-owned bank is Caja de Ahorros de Panamá (Savings Bank of Panama), with about US$1 billion in total deposits.

Payments & settlement

National Electronic Funds Transfer

National Electronic Funds Transfer (NEFT) is an electronic funds transfer system maintained by the Reserve Bank of India (RBI). Started in November 2005, the setup was established and maintained by Institute for Development and Research in Banking Technology. NEFT enables bank customers in India to transfer funds between any two NEFT-enabled bank accounts on a one-to-one basis. It is don

Networks

NEAR (blockchain platform)

NEAR is a public blockchain platform that uses a proof-of-stake consensus mechanism and provides smart-contract functionality. Its native cryptocurrency is NEAR. It was founded in 2018 by Illia Polosukhin and Alexander Skidanov, with mainnet launching in 2020.

Assets

NEO (blockchain)

Neo is a blockchain-based cryptocurrency and application platform used to run smart contracts and decentralized applications. The project, originally named Antshares, was founded in 2014 by Da HongFei and Erik Zhang and rebranded as Neo in 2017. In 2017 and 2018, it became popular in China despite the recently enacted prohibition on cryptocurrency in that country.

Trading basics

Nepalese rupee

The Nepalese rupee (Nepali: नेपाली रुपैयाँ; sign: रु; code: NPR) is the official currency and legal tender of Nepal. It is also sometimes informally abbreviated as N₨ or Re./Rs. Each rupee is subdivided into 100 paisa, although coins of lower denominations are rarely used today. It is issued and regulated by the Nepal Rastra Bank, the central bank of Nepal.

Assets

Neptune's Brood

Neptune's Brood is a science fiction novel by British author Charles Stross, set in the same universe as Saturn's Children, but thousands of years later and with all new characters.

Networks

Nervos Network

Nervos Network is a proof-of-work blockchain platform which consists of multiple blockchain layers that are designed for different functions. The native cryptocurrency of this layer is called CKB. Smart contracts and decentralized applications can be deployed on the Nervos blockchain. The Nervos Network was founded in 2018.

Securities & exchanges

Net volatility

Net volatility refers to the volatility implied by the price of an option spread trade involving two or more options. Essentially, it is the volatility at which the theoretical value of the spread trade matches the price quoted in the market, or, in other words, the implied volatility of the spread.

Fiat currencies

Neteller

Neteller is a global payments platform and digital wallet used to transfer money to and from merchants, such as forex trading brokers, social networks, and gambling websites. Users in the European Economic Area (EEA) and the United Kingdom can add a Net+ Mastercard to their account to pay with their balance in stores or withdraw it as cash from ATMs. Regardless of their location, users c

Trading basics

Netherlands Antillean guilder

The Netherlands Antillean guilder (Dutch: gulden; Papiamento: florin) was the currency of the Netherlands Antilles, and later of Curaçao and Sint Maarten, which until 2010 formed the Netherlands Antilles along with Bonaire, Saba, and Sint Eustatius. It was subdivided into 100 cents (Dutch plural: centen). The guilder was replaced on 1 January 2011 on the islands of Bonaire, Saba and Sint

Trading basics

New Caledonian franc

The franc is the currency of New Caledonia and Wallis and Futuna, part of the CFP franc since 1945 and issued by the Institut d'émission d'outre-mer (IEOM) in Paris. It is subdivided into 100 centimes, although centime denominations are no longer in circulation.

Trading basics

Nexgo

NEXGO (also known as Shenzhen Xinguodu Technology Co., Ltd.) is a global manufacturer of high-tech payment terminals, PIN pads and point of sale hardware and software. The company is headquartered in Shenzhen, China, and engages in research and development, production, sale, and leasing of financial point of sale (POS) machines and related electronic payment processing products. Its busi

Fiat currencies

Nium

Nium is a Singapore-headquartered cross-border payments company. Initially founded by Prajit Nanu and Michael Bermingham, and launched as a consumer-remittance platform Instarem in 2014. In 2016, the company introduced its B2B payments platform and rebranded as Nium in 2019, subsequently elevating Pratik Gandhi to co-founder in 2021. However, Gandhi left Nium in October 2023, around the

Networks

No Postage Necessary

No Postage Necessary is a 2017 American romantic comedy independent film written and directed by Jeremy Culver as his second narrative feature and starring George Blagden, Charleene Closshey, Robbie Kay, Stelio Savante, with Michael Beach and Raymond J. Barry. The film integrates current political happenings — including the Silk Road (referred to "The Spice Trail" in the film's script),

Fiat currencies

Non-decimal currency

A non-decimal currency is a currency that has sub-units that are a non-decimal fraction of the main unit, i.e. the number of sub-units in a main unit is not a power of 10. Historically, most currencies were non-decimal, though virtually all are now decimal.

Fiat currencies

Non-deliverable forward

In finance, a non-deliverable forward (NDF) is an outright forward contract or futures contract in which counterparties settle the difference between the contracted NDF price or rate and the prevailing spot price or rate on an agreed notional amount. It is used in various markets such as foreign exchange and commodities. NDFs are also known as forward contracts for differences (FCD).

Networks

Non-fungible token

A non-fungible token (NFT) is a unique digital identifier that is recorded on a blockchain and is used to certify ownership and authenticity. They typically contain references to digital files such as artworks, photos, videos, and audio. Because NFTs are uniquely identifiable, they differ from cryptocurrencies (which are fungible, hence the name non-fungible token), and as a result they

Networks

Northern Data

Northern Data AG is a multinational technology company headquartered in Germany. It provides GPU infrastructure on demand for high-performance computing in sectors including artificial intelligence, big data analytics, rendering, and cloud computing. Services include a platform for processing large data sets. Formed in 2019 through the merger of Northern Bitcoin and Whinstone, it has two

Finance

Novalnet

Novalnet is a European payment service provider that provides e-commerce businesses with electronic and point-of-sale payment processing services. The Novalnet platform is designed to automate merchants' business processes across the e-commerce value chain, from checkout to debt collection.

Fiat currencies

Numismatics

Numismatics is the study or collection of currency, including coins, tokens, paper money, medals, and related objects.

Assets

Nxt

NXT is an open source cryptocurrency and payment network launched in 2013 by anonymous software developer BCNext. It uses proof-of-stake to reach consensus for transactions—as such, there is a static money supply. Unlike Bitcoin, there is no mining.

Networks

Nym Technologies

Nym Technologies is a Swiss company that provides internet privacy technology utilizing Nym mix network and noise generation networks. Nym offers VPN and blockchain-related software and network services. Its most notable service, NymVPN, advertises itself as a VPN service for privacy and security.

Trading basics

NZX

NZX is the national stock exchange of New Zealand and, as NZX Limited, is also a publicly owned company listed on the exchange it operates. NZX is the parent company of Smartshares and Wealth Technologies.

Networks

Odysee

Odysee is an American video hosting platform which uses a combination of decentralized servers and the LBRY blockchain. The service was created in December 2020. The site is based on a broad interpretation of the concept of freedom of speech.

Assets

OKX

OKX, formerly known as OKEx, is a cryptocurrency exchange based in San Jose, California.

Trading basics

Omani rial

The Omani rial (Arabic: ريال, symbol: ; currency code: OMR) is the currency of Oman. It is divided into 1000 baisa (also written baiza, بيسة).

Trading basics

OneCoin

OneCoin is a fraudulent cryptocurrency scheme conducted by offshore companies OneCoin Ltd (based in Bulgaria and registered in UAE) and OneLife Network Ltd (registered in Belize), both founded by Ruja Ignatova in concert with Sebastian Greenwood. OneCoin is considered a Ponzi scheme due to its organisational structure of paying early investors using money obtained from newer ones. It was

Payments & settlement

Online wallet

An online wallet is a software or web service that allows users to store and control their online shopping information, such as logins, passwords, shipping address and credit card details. It also provides a method for consumers to purchase products from online retailers.

Banking

Open market operation

In macroeconomics, an open market operation (OMO) is an activity by a central bank to exchange liquidity in its currency with a bank or a group of banks. The central bank can either transact government bonds and other financial assets in the open market or enter into a repurchase agreement or secured lending transaction with a commercial bank. The latter option, often preferred by centra

Networks

OpenTimestamps

OpenTimestamps (OTS) is an open-source project that aims to provide a standard format for blockchain timestamping.

Finance

Option naming convention

In financial markets, an option naming convention is a method of identifying which of many possible options is being quoted or traded.

Finance

Option time value

In finance, the time value (TV) (extrinsic or instrumental value) of an option is the premium a rational investor would pay over its current exercise value (intrinsic value), based on the probability it will increase in value before expiry. For an American option this value is always greater than zero in a fair market, thus an option is always worth more than its current exercise value.

Finance

Options strategy

Option strategies are the simultaneous, and often mixed, buying or selling of one or more options that differ in one or more of the options' variables. Call options, simply known as Calls, give the buyer a right to buy a particular stock at that option's strike price. Opposite to that are Put options, simply known as Puts, which give the buyer the right to sell a particular stock at the

Payments & settlement

Orange Money

Orange Money is the mobile phone based money transfer service of French telecom company Orange S.A., available in most of the group's affiliates in Africa. Its users can deposit money into an account linked to their mobile phone number, and then access a range of services, in particular transferring money domestically and internationally, paying bills and buying airtime top-up.

Finance

Order (exchange)

An order is an instruction to buy or sell on a trading venue such as a stock market, bond market, commodity market, financial derivative market or cryptocurrency exchange. These instructions can be simple or complicated, and can be sent to either a broker or directly to a trading venue via direct market access. There are some standard instructions for such orders.