Industry WIKI

e-Bullion was an Internet-based digital gold currency founded by Jim and Pamela Fayed of Moorpark, California, as part of their Goldfinger Coin & Bullion group of companies. The company was incorporated in 2000 and launched on July 4, 2001. Similar to competing systems such as e-gold, e-Bullion allowed for the instant transfer of gold and silver between user accounts. e-Bullion was a reg

Early American currency went through several stages of development during the colonial and post-Revolutionary history of the United States. John Hull was authorized by the Massachusetts legislature to make the earliest coinage of the colony (the willow, the oak, and the pine tree shilling) in 1652.

Bitcoin was designed by its pseudonymous inventor, Satoshi Nakamoto, to work as a currency, but its status as a currency is disputed. Economists define money as a store of value, a medium of exchange and a unit of account, and agree that bitcoin does not currently meet all these criteria.

The efficient-market hypothesis (EMH) is a hypothesis in financial economics that states that asset prices reflect all available information. A direct implication is that it is impossible to "beat the market" consistently on a risk-adjusted basis since market prices should only react to new information.

Electricity as the Dominant Force in the World is an 1896 United States five-dollar silver certificate. It is of the US large-size variety measuring 7.375 in (187.3 mm) by 3.125 in (79.4 mm). The note is one of three notes that are part of the "Educational Series". As a result of the nudity portrayed on the obverse and other controversies, the note was replaced in 1899.

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

Equihash is a memory-hard Proof-of-work algorithm introduced by the University of Luxembourg's Interdisciplinary Centre for Security, Reliability and Trust (SnT) at the 2016 Network and Distributed System Security Symposium. The algorithm is based on a generalization of the Birthday problem which finds colliding hash values. It has severe time-space trade-offs but concedes vulnerability

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

An error account is a type of account used for storing compensation for errors in trading, a transaction that is not posted in a timely manner because of inconsistencies, such as an incorrect account or routing numbers to the wrong name on the account, producing a claim that needs to be resolved as soon as possible so payments can be made.

Ethereum is a decentralized blockchain with smart contract functionality. Ether (abbreviation: ETH) is the native cryptocurrency of the platform. Among cryptocurrencies, ether is second only to bitcoin in market capitalization. It is open-source software.

The Euro Currency Index (EUR_I) represents the arithmetic mean of four major currencies against the Euro: the American dollar, British sterling, the Japanese yen and the Swiss franc. All ratios are expressed in units of currency per Euro. The index was launched in 2004 by the exchange portal Stooq.com. Underlying are 100 points on 4 January 1971. Before the introduction of the European s

The Euro Short-Term Rate (€STR) is a reference rate for the euro. This interest rate can be used as the rate referenced in financial contracts that involve the euro. €STR is administered and calculated by the European Central Bank (ECB), based on the money market statistical reporting of the Eurosystem. According to the indications of the working group on euro risk-free rates, €STR repla

The European Network for Payments (abbreviated as ENP) is a joint venture aiming at developing a unified European payment solution and facilitating the interoperability of mobile payment solutions provided by several firms. The European Payments Alliance was created in December 2023 by Italian interbank network Bancomat, Spanish mobile payment firm Bizum and Portuguese firm SIBS (which

The European Payments Initiative (EPI), previously known as the Pan-European Payments System Initiative (PEPSI), is a unified digital payment service launched in 2020 and backed by sixteen founding European banks and payment service providers. Its aim is to allow European consumers and merchants to make next-generation payments for all types of person-to-person transfers and retail trans

Facebook Credits was a virtual currency that enabled people to purchase items in games and non-gaming applications on the Facebook Platform. One U.S. dollar was the equivalent of 10 Facebook Credits. Facebook Credits were available in 15 currencies including U.S. dollars, pound sterling, euros, and Danish kroner. Facebook was hoping eventually to expand Credits into a micropayment system

Fiat money or fiat currency is a type of government-issued currency, generally created by a central bank, authorized by government regulation to be legal tender but not backed by a precious metal, such as gold or silver, nor by any other tangible asset or commodity. Since the end of the Bretton Woods system in 1976 by the Jamaica Accords, all the major government currencies in the world

Filecoin (⨎) is a cryptocurrency intended to be a blockchain-based cooperative digital storage and data retrieval method. It was developed by Protocol Labs and shares some ideas from InterPlanetary File System allowing users to rent unused hard drive space. Filecoin is an open protocol and uses a blockchain to record participation in the network. Transactions are made using the blockchai

The fils (Arabic: فلس) is a subdivision of currency used in some Arab countries, such as, in modern times, Iraq and Bahrain. The term is a modern retranscription of fals, an early medieval Arab copper coin first produced by the Umayyad Caliphate (661–750) beginning in the late 7th century and used throughout the region under its rule.

The Financial Crimes Enforcement Network (FinCEN) is a bureau within the United States Department of the Treasury that collects and analyzes information about financial transactions to combat domestic and international money laundering, terrorist financing, and other financial crimes.

A financial crisis is any of a broad variety of situations in which some financial assets suddenly lose a large part of their nominal value. A broader reduction of economic activity affecting the whole economy is known as an economic crisis. In the 19th and early 20th centuries, many financial crises were associated with banking panics, and many recessions coincided with these panics. Ot

Financial cryptography is the use of cryptography in applications in which financial loss could result from subversion of the message system. Financial cryptography is distinguished from traditional cryptography in that for most of recorded history, cryptography has been used almost entirely for military and diplomatic purposes.

Financial econometrics is the application of statistical methods to financial data. Financial econometrics is a branch of financial economics, in the field of economics. Areas of study include capital markets, financial institutions, corporate finance and corporate governance. Topics often revolve around asset valuation of individual stocks, bonds, derivatives, currencies and other fina

Financial technology (abbreviated as fintech) refers to the application of new technologies to products and services in the financial industry. This broad term encompasses a wide array of technological tools in financial services, including mobile banking, online lending platforms, digital payment systems, robo-advisors, and blockchain-based applications such as cryptocurrencies. Financi

A financial transaction is an agreement, or communication, between a buyer and seller to exchange goods, services, or assets for payment. Any transaction involves a change in the status of the finances of two or more businesses or individuals. A financial transaction always involves one or more financial asset, most commonly money or another valuable item such as gold or silver.

Firo, formerly known as Zcoin, is a cryptocurrency aimed at using cryptography to provide better privacy for its users compared to other cryptocurrencies such as Bitcoin.

Foreign exchange fraud is any trading scheme used to defraud traders by convincing them that they can expect to gain a high profit by trading in the foreign exchange market. Currency trading became a common form of fraud in early 2008, according to Michael Dunn of the U.S. Commodity Futures Trading Commission.

In blockchain, a fork is defined variously as:

The forward exchange rate (also sometimes referred to as forward rate or forward price) is the exchange rate at which two counterparties (such as a bank and an investor) agree to exchange one currency for another at a future date when they enter into a forward contract. Multinational corporations, banks, and other financial institutions enter into forward contracts to take advantage of t

A Funnyback is a type of one-dollar silver certificate produced in 1928 and 1934 in the United States. People referred to the note as a "Funnyback" based on the significantly lighter green ink and unusual font printed on the reverse.

GNU Taler is a free software-based microtransaction and electronic payment system. Unlike most other decentralized payment systems, GNU Taler does not use a blockchain. A blind signature is used to protect the privacy of users as it prevents the exchange from knowing which coin it signed for which customer.

The gold dinar (Arabic: ﺩﻳﻨﺎﺭ ذهب) is an Islamic medieval gold coin first issued in AH 77 (696–697 CE) by Caliph Abd al-Malik ibn Marwan. The weight of the dinar is 1 mithqal (4.25 grams or 0.137 troy ounces).

Gold exchange-traded products are exchange-traded products (ETPs) that seek to provide exposure to gold or to the market price of gold. They include exchange-traded funds (ETFs), closed-end funds (CEFs), and exchange-traded notes (ETNs). Gold ETPs are traded on the major stock exchanges including the SIX Swiss Exchange, the Bombay Stock Exchange, the London Stock Exchange, the Paris Bour

Hedera Hashgraph, commonly known as Hedera, is a distributed ledger which uses a variant of proof of stake to reach consensus. The native cryptocurrency of the Hedera Hashgraph system is HBAR.

The Helium Network is a wireless system composed of two distinct networks: one for Internet of things (IoT) devices using LoRaWAN and another for mobile phone coverage using Wi-Fi hotspots.

The history of money is the development over time of systems for the exchange of goods and services. Money is a means of fulfilling these functions indirectly and in general rather than directly, as with barter.

The Hollow Sword Blades Company was a British joint-stock company founded in 1691 by a goldsmith, Sir Stephen Evance, for the manufacture of hollow-ground rapiers.

Hub Culture is a membership network and digital identity company founded in November 2002 by Stan Stalnaker. The company is based in Bermuda. It is known for Ven, an asset-backed digital currency launched in 2007, and for temporary physical spaces called Pavilions, which it has operated at the World Economic Forum Annual Meeting in Davos, at UN climate conferences and at other internatio

Hyperbridge is a cross-chain interoperability bridge that uses cryptographic protocols to facilitate the transfer of assets and data between different blockchains. Hyperbridge was launched on Polkadot mainnet in 2024 by Polytope Labs. The protocol is designed with a decentralised verification system which eliminates traditional reliance on blockchain validators, addressing the limitation

HyperVerse is a defunct cryptocurrency hedge fund (formerly HyperNation, then HyperFund, then HyperVerse in 2021). The collapse of the company resulted in approximately $1.3 billion in customer losses.

Ingenico is a French merchant services technology company, that facilitates secure electronic transactions. The company expanded as a manufacturer of point of sale (POS) payment terminals to also include complete merchant payment SaaS and related services.

An initial coin offering (ICO) or token sale is a form of capital raising in which a project issues and sells digital tokens using blockchain technology, typically in exchange for cryptocurrency or fiat currency. The tokens may grant access to a product or service, represent participation rights within a network, or function as speculative digital assets traded on cryptocurrency markets.

An Initial exchange offering (IEO) is the cryptocurrency exchange equivalent to a stock launch or Initial public offering (IPO). An IEO is the process of digital asset (e.g. coins or tokens) procurement through an established exchange for the purpose of raising capital for start-up companies. Exchanges act as a middleman between investors and the startup, profiting from fees generated by

Insider trading is the trading of a public company's stock or other securities (such as bonds or stock options) based on material, nonpublic information about the company. In many countries, trading based on insider information is illegal. The rationale for this prohibition of insider trading differs between countries and regions. Some view it as unfair to other investors in the market w

Interest rate parity is a no-arbitrage condition representing an equilibrium state under which investors compare interest rates available on bank deposits in two countries. The fact that this condition does not always hold allows for potential opportunities to earn riskless profits from covered interest arbitrage. Two assumptions central to interest rate parity are capital mobility and p

An interest-free economy or interest free economy is an economy that does not have pure interest rates.

IOTA is an open-source distributed ledger and cryptocurrency designed for the Internet of things (IoT). It uses a directed acyclic graph to store transactions on its ledger, motivated by a potentially higher scalability over blockchain based distributed ledgers. IOTA does not use miners to validate transactions, instead, nodes that issue a new transaction on the network must approve two

ISO 4217 is a standard published by the International Organization for Standardization (ISO) that defines alpha codes and numeric codes for the representation of currencies, and provides information about the relationships between currencies and their minor units. This data is published in three tables:

The King's shilling, sometimes called the Queen's shilling when the sovereign is female, is a historical slang term referring to the earnest payment of one shilling given to recruits to the armed forces of the United Kingdom in the 18th, 19th and 20th centuries, although the practice dates back to the end of the English Civil War. To "take the King's shilling" was to agree to serve as a

KodakCoin (stylized KODAKCoin) was a Kodak-branded blockchain cryptocurrency, used to plan payments for licensed photographers. It was also able to generate individualized cryptocurrency for its users through Kodak KashMiner, a Bitcoin-mining computer. Critics characterized Kodak's association with the cryptocurrency as a "desperate money grab."

LBRY (pronounced "library") is a blockchain-based file-sharing and payment network that is primarily used for social networks and video platforms.

Legal tender is a form of money that the law recognises as valid for the discharge of a monetary debt in a jurisdiction. What constitutes legal tender varies between jurisdictions.

Leper colony money was special money (scrip or vouchers) which circulated only in leper colonies (sanatoriums for people with leprosy) due to the fear that money could carry leprosy and infect other people. However, leprosy is not easily transmitted by casual contact or objects; actual transmission only happens through long-term, constant, intimate contact with leprosy sufferers and not

Litecoin (abbreviation: LTC) is a cryptocurrency and open-source software project created by Charlie Lee and released in 2011. Its software was derived from Bitcoin's codebase. Litecoin uses a scrypt-based proof-of-work system, targets a block interval of 2.5 minutes, and has a maximum supply of 84 million litecoins.

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.

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

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.

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.

Mean reversion is a financial term for the assumption that an asset's price will tend to converge to the average price over time.

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

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

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

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

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

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

Mismarking in securities valuation takes place when the value that is assigned to securities does not reflect what the securities are actually worth, due to intentional fraudulent mispricing. Mismarking misleads investors and fund executives about how much the securities in a securities portfolio managed by a trader are worth (the securities' net asset value, or NAV), and thus misreprese

Mitigation banking is a market-based system of debits and credits (used primarily in the United States as part of its "no net loss" policy) that involves restoration, creation, or enhancement of wetlands to compensate for unavoidable impacts to a wetland in another location. It involves a system of mitigation banks, sites where projects to restore, create, or enhance wetlands can be carr

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.

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.

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).

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

"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.

Monetary circuit theory is a heterodox theory of monetary economics, particularly money creation, often associated with the post-Keynesian school.

Money is any item or verifiable record that is generally accepted as payment for goods and services and repayment of debts, such as taxes, in a particular country or socio-economic context. The primary functions which distinguish money are: medium of exchange, a unit of account, a store of value and sometimes, a standard of deferred payment.

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.

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.

Namecoin (Abbreviation: NMC; sign:

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.

Narrow banking is a banking system that restricts commercial banks to hold only safe and liquid assets, like government bonds, against customer deposits, while prohibiting traditional lending activities. Under this model, banks function as custodians and payment processors, separate from the lending function performed by other financial intermediaries. The concept emerged as a response t

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.

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.

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.

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.

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

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

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.

The official cash rate (OCR) is the term used in Australia and New Zealand for the bank rate and is the rate of interest which the central bank charges on overnight loans between commercial banks. This allows the Reserve Bank of Australia and the Reserve Bank of New Zealand to adjust the interest rates that apply in each country's economy. The OCR cannot be changed by transactions betwee

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.

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

Ouroboros is a family of proof-of-stake consensus protocols used in the Cardano and Polkadot blockchains. It can run both permissionless and permissioned blockchains.

A pairs trade or pair trading is a market neutral trading strategy enabling traders to profit from virtually any market conditions: uptrend, downtrend, or sideways movement. This strategy is categorized as a statistical arbitrage and convergence trading strategy. Pair trading was pioneered by Gerry Bamberger and later led by Nunzio Tartaglia's quantitative group at Morgan Stanley in the

Pakistan Crypto Council (PCC) is a Pakistani regulatory body established to develop policy, infrastructure and regulation for blockchain technology and digital assets within Pakistan. It operates under the Ministry of Finance with input from the State Bank of Pakistan (SBP), Securities and Exchange Commission of Pakistan (SECP), and other federal agencies.

A payment is the tender of something of value, such as money or its equivalent, by one party (such as a person or company) to another in exchange for goods or services provided by them, or to fulfill a legal obligation or philanthropy desire. The party making the payment is commonly called the payer, while the payee is the party receiving the payment. Whilst payments are often made volun

PayU is a Dutch payment service provider to online merchants. The company was founded in 2002, and is headquartered in Hoofddorp.

Peel's Bill, or the Resumption of Cash Payments Act 1819 (59 Geo. 3. c. 49) was an act of the Parliament of the United Kingdom that marked the return of the British currency to the gold standard, after the Bank Restriction Act 1797 (37 Geo. 3. c. 45) saw paper money replacing convertibility to gold and silver under the financial pressures of the French Revolutionary Wars.

Peercoin, also known as Peer-to-Peer Coin, or PPC, is a cryptocurrency utilizing both proof-of-stake and proof-of-work systems. It is notable as the first cryptocurrency to implement the proof-of-stake consensus mechanism.

In finance, perpetual futures, also known as perpetual swaps or colloquially as perps, are contract agreements to non-optionally buy or sell an asset at an unspecified point in the future. Perpetual futures are cash-settled, and they differ from regular futures in that they lack a pre-specified delivery date and can thus be held indefinitely without the need to roll over contracts as the

The petro (₽), or petromoneda, launched in February 2018, was a crypto token issued by the government of Venezuela.

Pine Labs is an Indian multinational Financial Technology company headquartered in Noida, Uttar Pradesh, that provides point of sale (POS) systems and payment systems. Founded in 1998, it facilitates digital payments through Android-based POS machines that are primarily used by retailers in India, UAE, and Malaysia.

Polkadot is a decentralized, nominated proof-of-stake blockchain with smart contract functionality. The cryptocurrency native to the blockchain is the DOT.

Polygon (formerly Matic Network) is a blockchain platform which aims to create a multi-chain blockchain system compatible with Ethereum. As with Ethereum, it uses a proof-of-stake consensus mechanism for processing transactions on-chain. Polygon's native token is POL, an ERC-20 token which allows for compatibility with other Ethereum cryptocurrencies. It is operated by Polygon Labs.