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Digital assets and currencies

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

Assets

2016 Bitfinex hack

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

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2024 WazirX hack

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

Trading basics

2025 Czech government Bitcoin scandal

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

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AAX (cryptocurrency exchange)

Atom Asset Exchange (AAX) was a cryptocurrency exchange that was based in Hong Kong.

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Abra (company)

Abra is a cryptocurrency wallet and exchange, and digital asset services company with offices in several countries. Its offerings include Abra Private, an SEC-registered investment advisory service for high-net-worth investors and family offices; Abra Prime, a prime broker for digital asset trading, lending, and derivatives; and Abra Treasury, which enables companies to add Bitcoin and d

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Alameda Research

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

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Arkham (cryptocurrency exchange)

Arkham (legally named Arkham Intelligence, Inc.) is an American company that operates a cryptocurrency exchange platform as well as a public data application that enables users to analyze blockchain and cryptocurrency activity.

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Binance

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

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Bitfinex

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

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BitFlyer

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

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Bitget

Bitget is a cryptocurrency exchange founded in 2018.

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Bitkub

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

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BitMEX

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

Trading basics

Bitstamp

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

Networks

Blockchain analysis

Blockchain analysis is the process of inspecting, identifying, clustering, modeling and visually representing data on a cryptographic distributed ledger known as a blockchain. The goal of blockchain analysis is to discover useful information about different actors transacting in cryptocurrency. Analysis of public blockchains such as Bitcoin and Ethereum is typically conducted by private

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Blockchain.com

Blockchain.com (formerly Blockchain.info) is a cryptocurrency financial services company. The company began as the first Bitcoin blockchain explorer in 2011 and later created a cryptocurrency wallet that accounted for 28% of bitcoin transactions between 2012 and 2020. It also operates a cryptocurrency brokerage and provides institutional markets lending business and data, charts, and ana

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Bullish (cryptocurrency exchange)

Bullish is a cryptocurrency exchange headquartered in George Town, Cayman Islands. It is licensed in Germany, Hong Kong, Gibraltar, and New York State.

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Bybit

Bybit is a Dubai-based cryptocurrency exchange that was originally founded in China. The platform has faced regulatory warnings in several jurisdictions.

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Coinbase

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

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Coincheck

Coincheck is a Japanese bitcoin wallet and exchange service headquartered in Tokyo, Japan, founded by Koichiro Wada and Yusuke Otsuka. It operates exchanges between bitcoin, ether and fiat currencies in Japan, and bitcoin transactions and storage in some countries.

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CoinEx

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.

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CoinJar

CoinJar is a centralised digital currency exchange with the main function to facilitate the trading of cryptocurrencies by its users and allow to convert these assets into cash. It is one of the earliest cryptocurrency exchanges to launch in Australia.

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Crypto.com

Crypto.com is a Singaporean cryptocurrency exchange company that offers various financial services, including an app, exchange, and noncustodial DeFi wallet, NFT marketplace, and direct payment service in cryptocurrency. As of June 2023, the company reportedly had 100 million customers and 4,000 employees.

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Cryptocurrency exchange

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

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Cryptocurrency in Australia

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.

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Cryptocurrency in Nigeria

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.

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Cryptocurrency wallet

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

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Cryptopia

Cryptopia was an international cryptocurrency exchange based in Christchurch, New Zealand. Founded in 2014 by Rob Dawson and Adam Clark, it was among the earliest cryptocurrency services started in the country, and was responsible for launching the first stablecoin pegged to the New Zealand dollar. Cryptopia experienced substantial growth in 2017 from 30,000 users to over 1.4 million by

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Decentralized finance

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

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Digital Currency Group

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.

Trading basics

Ethereum Classic

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

Networks

Fork (blockchain)

In blockchain, a fork is defined variously as:

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FTX

FTX Trading Ltd., trading as FTX (Futures Exchange), is a bankrupt company that formerly operated a cryptocurrency exchange and crypto hedge fund. The exchange was founded in 2019 by Sam Bankman-Fried and Gary Wang and collapsed in 2022.

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Garantex

Garantex was a Russian cryptocurrency exchange. The company provided an exchange of Russian rubles to cryptocurrencies and international money transfers. It was tied to sanctioned individuals following the 2022 Russian invasion of Ukraine, including the Russian government, criminal organizations, and terrorist groups, such as Hamas and Hezbollah, among other illicit actors. It was co-fou

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Gemini (cryptocurrency exchange)

Gemini Space Station Inc. (Gemini) is an American cryptocurrency exchange and custodian bank. It was founded in 2014 by Cameron and Tyler Winklevoss.

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HTX (cryptocurrency exchange)

HTX, formerly known as Huobi, is a Seychelles-based cryptocurrency exchange. Founded in China, (Chinese: 火币网; pinyin: Huǒbìwǎng), HTX now has offices in Hong Kong, South Korea, Japan and the United States. In August 2018, it became a publicly listed Hong Kong company. According to Bloomberg, it is owned by cryptocurrency billionaire Justin Sun.

Fiat currencies

Hub Culture

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

Networks

HyperVerse

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.

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Independent Reserve

Independent Reserve is an Australian-based digital currency exchange founded in 2013. They are an order book exchange and an OTC desk.

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Initial exchange offering

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

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Kraken (cryptocurrency exchange)

Kraken (legally named Payward, Inc.) is a US-based cryptocurrency exchange, founded in 2011. It is the first cryptocurrency company to obtain a bank charter. In 2025, Kraken began allowing the trading of tokenized equities by non-US customers.

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KuCoin

KuCoin is a Seychelles-based cryptocurrency exchange. It was founded in China in 2017, but was later moved to Singapore following the Chinese government's restrictions on cryptocurrency companies, and eventually to the Seychelles.

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.

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

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Monero

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

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.

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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.

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OKX

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

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

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.

Finance

Product control

Product Control is a control and support function, responsible for ensuring accurate financial reporting for trading, lending and treasury desks.

Trading basics

Pump.fun

pump.fun (commonly referred to as Pump) is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges, a process known as "graduation". The platform was launched on January 19, 2024, by Noah Tweedale, Alon Cohen and Dylan Kerler.

Trading basics

Quadriga (cryptocurrency exchange)

Quadriga Fintech Solutions was the owner and operator of QuadrigaCX. QuadrigaCX was believed to be Canada's largest cryptocurrency exchange at the time of its collapse in 2019, with the exchange ceasing operations and the company filing for bankruptcy with C$215.7 million in liabilities and about C$28 million in assets.

Trading basics

Rain (cryptocurrency exchange)

Rain is a Middle Eastern cryptocurrency exchange company that operates through its holding company, Rain Financial Inc., which oversees Rain Management W.L.L. in Bahrain,

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Regulation of cryptocurrency

The regulation of cryptocurrency constitutes regulatory, legal and political actions taken by various governments to regulate and oversee the development and adoption of bitcoin, cryptocurrencies and blockchain technologies. Restrictions on cryptocurrency have been motivated by concerns regarding financial stability, consumer protection, national security, and enforcing laws against mon

Trading basics

Revolut

Revolut Group Holdings Ltd, known as Revolut, is a British multinational neobank and financial technology company headquartered in London, England. It was founded in July 2015 by Nik Storonsky and Vlad Yatsenko. The company offers free and subscription‑based digital banking services, primarily through a mobile app.

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SafeMoon

SafeMoon LLC was an American cryptocurrency and blockchain company created in March 2021. The company created the SafeMoon token (SFM) which traded on the BNB Chain blockchain. The token charged a 10% fee on transactions, with 5% redistributed (or reflected) to token holders and 5% directed to wallets in a different currency, Binance Coin (BNB), controlled by the coin's authors. The toke

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ShapeShift

ShapeShift AG was a cryptocurrency exchange which operated from 2014 to 2021 and was headquartered in Switzerland.

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Silvergate Bank

Silvergate Bank was a California bank founded in 1988. The company began providing services for cryptocurrency users in 2016, and conducted an IPO in 2019.

Networks

The Sandbox (company)

TSB Gaming (formerly known as Pixowl), doing business and commonly known as The Sandbox, is a metaverse platform developer. Founded in 2011, the company is now a subsidiary of the Hong Kong-based Animoca Brands. The company's chief product is The Sandbox, a 3D blockchain game platform released in 2021 as a sequel to the 2D world-building mobile game developed by the company in 2012.

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Thodex

Koineks Teknoloji A.Ş., known online as Thodex, was a Turkey-based cryptocurrency exchange founded by Faruk Fatih Özer.

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Trial of Sam Bankman-Fried

United States of America v. Samuel Bankman-Fried was a 2023 federal criminal trial in the United States District Court for the Southern District of New York. Financial entrepreneur Sam Bankman-Fried, commonly known as SBF, was convicted on seven charges of fraud and conspiracy following the collapse of his cryptocurrency exchange FTX in November 2022. After the jury's verdict in November

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Upbit

Upbit is a South Korean cryptocurrency exchange founded in 2017. It is operated by Dunamu, which is one of the highest-valued startups in South Korea.

Networks

Web3

Web3 is an idea for a new iteration of the World Wide Web which incorporates concepts such as decentralization, blockchain technologies, tokenomics, and privacy-enhancing technologies. The term is sometimes confused with the Semantic Web, as both have sometimes been referred to as "Web 3.0". Some technologists and journalists have contrasted it with Web 2.0, in which they say user-genera

Networks

ZachXBT

ZachXBT, also identified as Zachary Wolk is a pseudonymous American blockchain investigator and open-source intelligence (OSINT) researcher known for independent forensic investigations into cryptocurrency fraud, scams, and thefts. He has been active on X (formerly Twitter) since 2021, publishing detailed investigative threads that trace stolen funds, expose rug pulls, and identify perpe

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Zondacrypto

Zondacrypto (formerly BitBay) was a European cryptocurrency exchange. Originally founded in Poland in 2014 by Sylwester Suszek, it grew to become one of the largest digital asset trading platforms in Central and Eastern Europe. Suszek disappeared in March 2022, and the site went offline in April 2026, leaving client assets stranded.