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.
Robinhood Markets, Inc. is an American financial services company headquartered in Menlo Park, California. The company provides an electronic trading platform accessible via mobile app that facilitates commission-free trades of stocks, exchange-traded funds and cryptocurrency, as well as cryptocurrency wallets, credit cards and other banking services. The company's revenue comes primarily from payment for order flow, net interest income, and subscription fees. The company has 23.9 million funded customers, 13.7 million monthly active users, and $130 billion in assets under custody.
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 cryptocurrency transaction, identification, or legally signing a 'document'.
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.
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.
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.
Samuel Benjamin Bankman-Fried, commonly known as SBF, is an American entrepreneur who was convicted of fraud and related crimes in November 2023. Bankman-Fried founded the FTX cryptocurrency exchange and was celebrated as a "poster boy" for crypto. At the peak of his net worth, he was ranked the 41st-richest American in the Forbes 400.
Solana is a blockchain platform which uses a proof-of-stake mechanism to provide smart contract functionality. Its native cryptocurrency is SOL.
FTX Trading Ltd., commonly known as FTX, is a bankrupt company that formerly operated a fraud-ridden cryptocurrency exchange and crypto hedge fund. The exchange was founded in 2019 by Sam Bankman-Fried and Gary Wang. At its peak in July 2021, the company had over one million users and was the third-largest cryptocurrency exchange by volume. As of November 2022, FTX was the third-largest digital currency exchange boasting an active trading volume of USD 10 billion and a valuation of USD 32 billion. FTX is incorporated in Antigua and Barbuda and headquartered in the Bahamas. FTX is closely associated with FTX.US, a separate exchange available to US residents.
Celsius Network LLC was a cryptocurrency company. Headquartered in Hoboken, New Jersey, Celsius maintained offices in four countries and operated globally. Users could deposit a range of cryptocurrency digital assets, including Bitcoin and Ethereum, into a Celsius wallet to earn a percentage yield, and could take out loans by pledging their cryptocurrencies as security. As of May 2022, the company had lent out $8 billion to clients and had almost $12 billion in assets under management.
Alameda Research was a cryptocurrency trading firm, co-founded in September 2017 by Sam Bankman-Fried and Tara Mac Aulay. In November 2022, FTX, Alameda's sister cryptocurrency exchange, experienced a solvency crisis, and both FTX and Alameda filed for Chapter 11 bankruptcy. That same month, anonymous sources told The Wall Street Journal that FTX had lent more than half of its customers' funds to Alameda, which was explicitly forbidden by FTX's terms-of-service.
Three Arrows Capital was a Singapore-based cryptocurrency hedge fund which was ordered to liquidate on 27 June 2022 by a court in the British Virgin Islands. It was founded in 2012 by Kyle Davies and Su Zhu. The company borrowed billions of dollars to fund its trading, and according to July 2022 bankruptcy filings, faces $3.5 billion in creditors' claims. The fund appears to have lost in excess of $3 billion over 2021 and 2022, making its collapse one of the largest hedge-fund trading losses of all time.
BlockFi was a digital asset lender founded by Zac Prince and Flori Marquez in 2017. It was based in Jersey City, New Jersey. It was once valued at $3 billion.
Caroline Ellison is an American former business executive and quantitative trader who was the CEO of Alameda Research, the trading firm affiliated with the cryptocurrency exchange FTX and founded by FTX founder Sam Bankman-Fried. In 2022, she pleaded guilty to fraud, money laundering, and conspiracy charges related to her role at Alameda Research.
The bankruptcy of FTX, a Bahamas-based cryptocurrency exchange, began in November 2022. The collapse of FTX, caused by a spike in customer withdrawals that exposed an $8 billion hole in FTX’s accounts, served as the impetus for its bankruptcy. Prior to its collapse, FTX was the third-largest cryptocurrency exchange by volume and had over one million users.
Gary Wang is an American computer programmer who co-founded the crypto currency exchange FTX with Sam Bankman-Fried. At the height of his success in 2022, Wang was ranked the 227th richest American in the Forbes 400, and the 431st richest person in the world by The World's Billionaires. After FTX collapsed into bankruptcy, caused by massive fraud perpetrated by Wang, Bankman-Fried and a few others, Wang plea bargained a guilty charge in exchange for testifying against his former college roommate and business partner, Bankman-Fried. Before co-founding FTX, Wang worked at Google Flights, building systems for the aggregation of ticket prices.
Stephen Findeisen, better known as Coffeezilla, is an American YouTuber and crypto journalist who is known primarily for his channel in which he investigates and discusses online scams, usually surrounding cryptocurrency, decentralized finance and internet celebrities. Before Coffeezilla, Findeisen was active on YouTube with the channel Coffee Break between 2017 and 2020.
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. The trial and conviction of Bankman-Fried was one of the most notorious cases of white-collar crime in the United States and raised awareness within the business community over criminal activity in the cryptocurrency market. The trial had several implications, with financer Anthony Scaramucci calling Bankman-Fried "the Bernie Madoff of crypto".
Erik Tristan Voorhees is an American cryptocurrency entrepreneur and founder of the cryptocurrency exchange ShapeShift. He also co-founded Satoshi Dice and was the Director of Marketing at BitInstant. He has been referred to as a crypto-libertarian and has advocated for "the separation of money and state".
