Industry WIKI

On February 14, 2025, Javier Milei, the president of Argentina, promoted a cryptocurrency project called $LIBRA. The price of the meme coin spiked following Milei's promotion but then suffered a severe price drop, leading to allegations of a rug pull scam and $251 million in losses for investors. This scandal has been dubbed Cryptogate. The Economist called it the "first big scandal" of

$Trump (stylized in all caps) is a meme coin cryptocurrency associated with United States president Donald Trump, hosted on the Solana blockchain. One billion coins were created; 800 million remain owned by two Trump-owned companies, after 200 million were publicly released in an initial coin offering (ICO) on January 17, 2025. Less than a day later, the aggregate market value of all coi

The Bitfinex cryptocurrency exchange was hacked in August 2016. 119,756 bitcoins, worth about US$72 million at the time, were stolen.

In 2021, a significant fraudulent event took place in the world of cryptocurrency. Inspired by the popular South Korean Netflix series Squid Game, this cryptocurrency, known as $SQUID (Squid Coin), promised investors an opportunity to play and earn an through "upcoming fan-made online game" inspired by Squid Game. However, it quickly unraveled as a rug pull, leaving investors defrauded o

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

On 18 July, 2024, WazirX, an Indian cryptocurrency exchange, reported a cyberattack in which approximately US$234.9 million (around ₹2,000 crore) in digital assets were stolen from a multi-signature wallet used under a third-party custody arrangement with Liminal Custody. Global analysis later linked the attack to the Lazarus Group, a North Korea–associated threat actor targeting crypto

The 2025 Czech government Bitcoin scandal was a scandal in the Czech Republic that involved a donation of 468 Bitcoins to the country's Ministry of Justice. The Czech daily newspaper, Deník N, reported that the Minister of Justice, Pavel Blažek, accepted the donation from Tomáš Jiřikovský, which was worth one billion Czech koruna at the time (approximately $45,000,000 USD). Jiřikovský ha

ACI Worldwide is a digital payments software company headquartered in Elkhorn, Nebraska, that processes billions of transactions daily equating to trillions of U.S. dollars for customers in 94 countries. Banks, financial institutions, merchants, billers, acquirers, issuers, and other third-party payment service providers use its intelligent solutions to deploy secure payment rails across

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

Affirm Holdings, Inc. is an American financial technology company and a point-of-sale lender. Founded in 2012 by PayPal co-founder Max Levchin, it is the largest U.S. based buy now, pay later (BNPL) financier. As of 2026, Affirm reports nearly 28 million users and processes $50 billion in annual payments.

Afterpay Limited (abbreviated as Afterpay) is an Australian technology company and a buy now, pay later (BNPL) lender. Founded in 2014 by Nick Molnar and Anthony Eisen, it is now owned by Block, Inc. As of 2023, Afterpay serves 24 million users, processes US$27.3 billion in annual payments, and ranks among the three most-used BNPL services globally.

Airwallex is a financial technology company founded in Melbourne, Australia, in 2015. It provides payment processing, foreign exchange, business accounts, corporate cards, and other financial services businesses. In 2019, Airwallex reached a reported valuation of US$8 billion.

Al-Barakat, or Al-Barakaat (Arabic: البركات), which means "Blessings" in Arabic, is a group of companies established in 1987 in Somalia. The firm is involved in the modern form of hawala, an informal value transfer system and remittance method. By 2001, Al-Barakat had outlets in 40 countries, and was the country's largest private employer. It handled about 140 million US$ a year from the

Alameda Research was a cryptocurrency trading firm founded in September 2017 by Sam Bankman-Fried and Tara Mac Aulay. In November 2022, Alameda's sister cryptocurrency exchange FTX experienced a solvency crisis that resulted in both companies filing for Chapter 11 bankruptcy. That same month, anonymous sources told The Wall Street Journal that FTX had loaned more than half of its custome

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

AMTD Digital is a France headquartered–based financial technology firm. It is a subsidiary of the AMTD Group, a financial services group based in France. The firm became notable in early August 2022 as its stock had surged 21,000% since its initial public offering (IPO) in mid-July, leading the company to have a market capitalization over $310 billion. This made AMTD Digital the 14th lar

Arthur Dantchik (born 1957) is an American billionaire businessman and philanthropist who is a co-founder and the managing director of Susquehanna International Group, a Bala Cynwyd, Pennsylvania-based financial services firm founded in 1987. As of September 2026, Dantchik's net worth was estimated at $19.5 billion.

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

Avant, LLC, formerly AvantCredit, is a private Chicago, Illinois-based company in the financial technology industry. The company was established in 2012 by serial entrepreneur Albert "Al" Goldstein, John Sun, and Paul Zhang. Initially structured as a mid-prime lender, the company issued its first personal unsecured loan in early 2013 using its proprietary technology to determine an indiv

The dollar (sign: $; code: BSD) has been the currency of The Bahamas since 1966. It is normally abbreviated with the dollar sign $, or alternatively B$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cents.

During the 1990s, marked by President Carlos Menem's policies of liberalization, Argentina's financial system saw a significant consolidation and strengthening, in large part through foreign investment. In addition to high reserve and capital-adequacy requirements, the Central Bank of Argentina maintained a repurchase agreement with a consortium of international banks to provide a $6,000

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

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

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

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

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

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

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

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

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

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

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

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 Brunei dollar (Malay: Dolar Brunei, formerly Ringgit Brunei; sign: B$; currency code: BND), is the currency of Brunei Darussalam since 1967. It is normally abbreviated with the dollar sign $, or alternatively B$ to distinguish it from other dollar-denominated currencies. The currency is divided into 100 cents (sen) and is issued by the Brunei Darussalam Central Bank.

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

Cash App (formerly Square Cash) is a digital wallet for American consumers. Launched by Block, Inc., in 2013, it allows users to send, receive, and save money; access debit cards; invest in stocks and bitcoin; apply for personal loans; and file taxes. As of 2024, Cash App reports 57 million users and $283 billion in annual inflows.

The Cayman Islands dollar (currency code KYD; symbol: $ or CI$) is the currency of the Cayman Islands, a British Overseas Territory. It was introduced in 1972 to replace the Jamaican dollar. Its base unit is the dollar; each dollar is subdivided into 100 cents.

The Central African CFA franc (French: franc CFA or simply franc; ISO code: XAF; abbreviation: F.CFA) is the currency used in six independent states in Central Africa: Cameroon, the Central African Republic, Chad, the Republic of the Congo, Equatorial Guinea and Gabon. These six countries had a combined population of 55.2 million in 2020, and their total GDP exceeded US$100 billion (as o

Change Healthcare Inc. (previously known as Emdeon) is a healthcare technology company that provides revenue cycle management and payment processing services for healthcare providers and insurers in the United States. The business was acquired by Optum in a $13 billion deal in 2022, in an effort to combine their service operations with the aforementioned technologies that Change Healthca

Checkout.com (legally incorporated as Checkout Ltd.) is a financial technology company headquartered in London, United Kingdom. It provides payment processing services, operating as a payment gateway, acquirer, and processor for enterprise clients in sectors such as e-commerce, technology, and media. In 2022, It had a valuation of $40 billion making it the most valuable European fintech

Chia Network is a proof-of-space and proof-of-time-based blockchain. It issues the digital currency Chia (XCH). It was founded in 2017 by Bram Cohen, the creator of BitTorrent, and Ryan Singer. Its headquarters are in South San Francisco, California.

The Chiang Mai Initiative (CMI) is a multilateral currency swap arrangement among the ten members of the Association of Southeast Asian Nations (ASEAN), the People's Republic of China (including Hong Kong), Japan, and South Korea. It draws from a foreign exchange reserves pool worth US$120 billion and was launched on 24 March 2010. That pool has been expanded to $240 billion in 2012.

The Chinese gold yuan (also known as golden round, golden yuan, among others) was a legal tender currency of China between August 1948 and 1949. It was a method used by the Republic of China government to accumulate gold from its citizens to fund its war effort. It circulated in the country under the effective control of the Government of the Republic of China, which issued paper money o

Circle Internet Group, Inc. is a payments technology company. Founded by Jeremy Allaire and Sean Neville in 2013, it is currently headquartered in New York City and issues two types of stablecoin: USDC, which has a conversion rate pegged to the U.S. dollar, and EURC, which is euro-denominated. It also issues USYC, a tokenized money market fund.

Clinkle was an American startup founded in 2011, which sought to facilitate mobile payments with ultrasonic signals emitted by smartphones. The company's $25 million seed round in June 2013 was the largest in Silicon Valley history. Clinkle abandoned its ultrasonic technology due to insurmountable technical challenges and pivoted to launching a prepaid debit card service in 2014. The com

Coinbase Global, Inc. is an American cryptocurrency exchange. It was founded in 2012 by Brian Armstrong and Fred Ehrsam. Coinbase has over 100 million users, and is the largest U.S. based cryptocurrency exchange as well as the world's biggest bitcoin custodian, as of 2024. The company operates in more than 100 countries and holds nearly US$516 billion in assets, including nearly 12 perce

CoinEx was a cryptocurrency exchange based in Hong Kong. Before shutting down its operations in 2026, it operated in Iran and facilitated transfers of more than US$3.8 billion in cryptocurrency linked to Iranian entities.

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.

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

The Olympic Games are considered to be the world's foremost international sporting event with over 200 nations participating. It historically had the highest costs and expenses for the hosts, with the estimated cost of the 2016 Summer Games in Rio de Janeiro being at approximately US$11.1 billion.

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

Cryptocurrency in Australia refers to the use and regulation of digital currencies such as Bitcoin, Ethereum, and various other altcoins within the country of Australia. Australia has been recognized as a relatively progressive country regarding cryptocurrency adoption and regulation.

Cryptocurrency in Iran has emerged as a pivotal response to economic pressures and global isolation. In 2026, Iran had a total US$7.8 billion cryptocurrency market, and a number of exchanges such as Nobitex. Iran's interest in cryptocurrencies began in 2017 when international sanctions obstructed Iran's access to the global financial markets. In 2019, the government legalized cryptocurr

Cryptocurrency in Nigeria describes the extent of cryptocurrency use, social acceptance and regulation in Nigeria. Nigerians are one of the major global users of cryptocurrencies.

During the second presidency of Donald Trump, cryptocurrency was promoted by Trump and his administration, which took a series of crypto-friendly actions and decisions. His administration appointed crypto-friendly regulators, reduced crypto regulation and dropped investigations into crypto firms and crypto crime. Trump promoted his own cryptocurrency meme coin, $Trump, and maintained sig

A cryptocurrency tumbler or cryptocurrency mixing service is a service that mixes potentially identifiable or "tainted" cryptocurrency funds with others, so as to obscure the trail back to the fund's original source. This is usually done by pooling together source funds from multiple inputs for a large and random period of time, and then spitting them back out to destination addresses. A

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

CryptoKitties is a blockchain game developed by Canadian studio Dapper Labs. The game allows players to buy, sell, and create non-fungible tokens (NFTs) using Ethereum. These NFTs represent virtual cats. The game's popularity in December 2017 congested the Ethereum network, causing it to reach an all-time high in the number of transactions and slowing it down significantly.

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

CryptoPunks is a non-fungible token (NFT) collection on the Ethereum blockchain. The project was launched in June 2017 by the Larva Labs studio, a two-person team consisting of Canadian software developers Matt Hall and John Watkinson. The experimental project was inspired by the London punk scenes, the cyberpunk movement, and electronic music artists Daft Punk. The crypto art blockchain

The convertible peso (sometimes given as CUC$ and informally called a cuc or a chavito) was one of two official currencies in Cuba, the other being the Cuban peso. It had been in limited use since 1994, when its value was pegged 1:1 to the United States dollar.

DAI (or DAI, formerly Sai or SAI) is a stablecoin token on the Ethereum blockchain which uses smart contracts designed to control supply to keep its value as close to one United States dollar as possible. DAI is maintained and regulated by MakerDAO, a decentralized autonomous organization composed of the owners of its governance token, MKR, who may propose and vote on changes to certain

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.

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

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

The Department of Finance Canada (French: Ministère des Finances Canada) is a central agency of the Government of Canada. The department assists the minister of finance in developing the government's fiscal framework and advises the government on economic and financial issues. A principal role of the department is assisting the government in the development of its annual budget.

Diem (formerly known as Libra) was a permissioned blockchain-based stablecoin payment system proposed by the American social media company Facebook. The plan also included a private currency implemented as a cryptocurrency. The launch was originally planned to be in 2020, but only rudimentary experimental code was released.

Digital currency (digital money, electronic money or electronic currency) is any currency, money, or money-like asset that is primarily managed, stored or exchanged on digital computer systems, especially over the internet. Types of digital currencies include cryptocurrency, virtual currency and central bank digital currency. Digital currency may be recorded on a distributed database on

Digital Currency Group Inc. (DCG) is an American investment company focusing on the digital currency market and decentralized technologies. It is headquartered in Stamford, Connecticut. The subsidiaries include Grayscale Investments, Yuma, Foundry, Luno, and Fortitude Mining. It also formerly owned the now-inactive Genesis Global Holdco and CoinDesk.

Digital River, Inc. was a privately held company headquartered in Minnetonka, Minnesota that provided global e-commerce, payments and marketing services. In 2013, Digital River reported having processed more than US$30 billion in online transactions. The company filed for Chapter 7 bankruptcy in May 2025.

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 (

Distributed ledger technology law ("DLT law") (also called blockchain law, Lex Cryptographia or algorithmic legal order) is a loosely defined emerging field of law resulting from the recent use of distributed ledger technology in business and government. Those smart contracts which were created through interaction of lawyers and developers and are intended to also be enforceable legal co

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.

E-gold or eGold was a digital gold currency operated by Gold & Silver Reserve Inc. (G&SR) that allowed users to make payments, which it called "spends", in grams of gold, silver, and other precious metals. E-gold was launched in 1996 and grew to five million accounts by 2009, when transfers were suspended due to legal issues. At its peak in 2006, e-gold processed more than US$2 billion w

The Eastern Caribbean dollar (symbol: $ or EC$; code: XCD) is the currency of all seven full members and one associate member of the Organisation of Eastern Caribbean States (OECS). The successor to the British West Indies dollar, it has been issued since 1965.

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

In finance, equity is an ownership interest in property that may be subject to debts or other liabilities. Equity is measured for accounting purposes by subtracting liabilities from the value of the assets owned. For example, if someone owns a car worth $24,000 and owes $10,000 on the loan used to buy the car, the difference of $14,000 is equity. Equity can apply to a single asset, such

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.

Ethereum Classic is a blockchain-based distributed computing platform that offers smart contract (scripting) functionality. Ethereum Classic was created in a hard fork with the mainline Ethereum blockchain, and maintains the original, unaltered ledger prior to the attempt to reverse a hacking attack on the Ethereum-based DAO in July 2016. It is now the largest smart contract platform sec

eToro Group Ltd. is an Israeli multinational company that operates an electronic trading platform and social trading system. The company is organized in the British Virgin Islands and headquartered in Bnei Brak, Israel.

Euronext Paris, formerly known as the Paris Bourse (French: Bourse de Paris), is a regulated securities trading venue in France. It is Europe's second largest stock exchange by market capitalization, behind the London Stock Exchange, as of December 2023. As of 2022, the 795 companies listed had a combined market capitalization of over US$4.58 trillion.

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

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.

Fidelity National Information Services, Inc. (FIS) is an American financial technology company headquarterd in Jacksonville, Florida, which focuses on core banking, payments and capital markets. Annually, FIS facilitates the movement of roughly US$9 trillion through the processing of approximately 75 billion transactions in service to more than 20,000 clients around the globe.

A foreign exchange spot transaction (FX spot) is an agreement between two parties to buy one currency against selling another currency at an agreed price for settlement on the spot date. The exchange rate at which the transaction is done is called the spot exchange rate. As of 2010, the average daily turnover of global FX spot transactions reached nearly US$1.5 trillion, counting 37.4% o

The foreign exchange reserves of China are the state of foreign exchange reserves held by the People's Republic of China, comprising cash, bank deposits, bonds, and other financial assets denominated in currencies other than China's national currency (the renminbi). As of August 2026, China's foreign exchange reserves totaled US$3.438 trillion, which is the highest foreign exchange reser

The forex scandal (also known as the forex probe) is a 2013 financial scandal that involves the revelation, and subsequent investigation, that banks colluded for at least a decade to manipulate exchange rates on the forex market for their own financial gain. Market regulators in Asia, Switzerland, the United Kingdom, and the United States began to investigate the $4.7 trillion per day fo

In blockchain, a fork is defined variously as: