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 exchange can be a market maker that typically takes the bid–ask spreads as a transaction commission for its service or, as a matching platform, simply charges fees.
A cryptocurrency, crypto-currency, or crypto is a digital currency designed to work as a medium of exchange through a computer network that is not reliant on any central authority, such as a government or bank, to uphold or maintain it. It is a decentralized system for verifying that the parties to a transaction have the money they claim to have, eliminating the need for traditional intermediaries, such as banks, when funds are being transferred between two entities.
Ripple is a real-time gross settlement system, currency exchange and remittance network that is open to financial institutions worldwide and was created by Ripple Labs Inc., a US-based technology company. Released in 2012, Ripple is built upon a distributed open source protocol, and supports tokens representing fiat currency, cryptocurrency, commodities, or other units of value such as frequent flier miles or mobile minutes. Ripple purports to enable "secure, instantly and nearly free global financial transactions of any size with no chargebacks". The ledger employs the native cryptocurrency known as XRP.
Coinbase Global, Inc., branded Coinbase, is an American publicly traded company that operates a cryptocurrency exchange platform. Coinbase is a distributed company; all employees operate via remote work. It is the largest cryptocurrency exchange in the United States in terms of trading volume. The company was founded in 2012 by Brian Armstrong and Fred Ehrsam. In May 2020, Coinbase announced it would shut its San Francisco, California, headquarters and change operations to remote-first, part of a wave of several major tech companies closing headquarters in San Francisco in the wake of the COVID-19 pandemic.
BTCC is a crypto exchange established in June 2011. The exchange underwent a significant restructuring in 2018, closing its offices in China and expanding its business globally since then.
Blockchain.com 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 exchange and provides institutional markets lending business and data, charts, and analytics.
CoinDesk is a news site specializing in bitcoin and digital currencies. Founded by Shakil Khan, the firm also provides guides to bitcoin for those new to digital currencies.
HTX is a Seychelles-based cryptocurrency exchange. Founded in China as Huobi, the company now has offices in Hong Kong, South Korea, Japan and the United States. In August 2018 it became a publicly listed Hong Kong company.
Kraken is a United States–based cryptocurrency exchange, founded in 2011. It was one of the first bitcoin exchanges to be listed on Bloomberg Terminal and was valued at US$10.8 billion in mid-2022. The company has been the subject of several regulatory investigations since 2018, and has agreed to cumulative fines of over $30 million.
Digital Currency Group (DCG) is a venture capital company focusing on the digital currency market. It is located in Stamford, Connecticut. The company has the subsidiaries Foundry, Genesis, Grayscale Investments, and Luno. It also formerly owned CoinDesk.
Bitfinex is a cryptocurrency exchange owned and operated by iFinex Inc, and is registered in the British Virgin Islands. Bitfinex was founded in 2012. It was originally a peer-to-peer Bitcoin exchange, and later added support for other cryptocurrencies.
An initial coin offering (ICO) or initial currency offering is a type of funding using cryptocurrencies. It is often a form of crowdfunding, although a private ICO which does not seek public investment is also possible. In an ICO, a quantity of cryptocurrency is sold in the form of "tokens" ("coins") to speculators or investors, in exchange for legal tender or other cryptocurrencies such as Bitcoin or Ether. The tokens are promoted as future functional units of currency if or when the ICO's funding goal is met and the project successfully launches.
Tether is a cryptocurrency stablecoin, launched by the company Tether Limited Inc. in 2014. As of January 2024, Tether's website lists fourteen protocols and blockchains on which Tether has been minted.
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.
Binance Holdings Ltd., branded Binance, is a global company that operates the largest cryptocurrency exchange in terms of daily trading volume of cryptocurrencies. Binance was founded in 2017 by Changpeng Zhao, a developer who had previously created high-frequency trading software. Binance was initially based in China, then moved to Japan shortly before the Chinese government restricted cryptocurrency companies. Binance subsequently left Japan for Malta and currently has no official company headquarters.
Cryptocurrency and crime describe notable examples of cybercrime related to theft of cryptocurrencies and some methods or security vulnerabilities commonly exploited. Cryptojacking is a form of cybercrime specific to cryptocurrencies that have been used on websites to hijack a victim's resources and use them for hashing and mining cryptocurrency.
OKX is a global cryptocurrency spot and derivatives exchange and the second biggest crypto exchange by trading volume, serving over 50 million people globally. It was founded by Star Xu in 2017, who is also the CEO as of 2023. The President is Hong Fang and the CMO is Haider Rafique. OKX is owned by OK Group, which also owns the crypto exchange Okcoin.
Bithumb is a South Korean cryptocurrency exchange. Founded in 2014, Bithumb Korea has 8 million registered users, 1 million mobile app users, and a current cumulative transaction volume has exceeded USD $1 trillion.
Paxos Trust Company is a New York–based financial institution and technology company specializing in blockchain. The company's product offerings include a cryptocurrency brokerage service, asset tokenization services, and settlement services. ItBit, a bitcoin exchange run by Paxos, was the first bitcoin exchange to be licensed by the New York State Department of Financial Services, granting the company the ability to be the custodian and exchange for customers in the United States.
Decentralized finance offers financial instruments without relying on intermediaries such as brokerages, exchanges, or banks by using smart contracts on a blockchain, mainly Ethereum. DeFi platforms allow people to lend or borrow funds from others, speculate on price movements on assets using derivatives, trade cryptocurrencies, insure against risks, and earn interest in savings-like accounts. DeFi uses a layered architecture and highly composable building blocks. Some applications promote high-interest rates but are subject to high risk. Coding errors and hacks have been common in DeFi.
