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Abra (company)
Abra is a financial services and technology company that operates a cryptocurrency wallet service including a trading service for buying and selling cryptocurrencies, a service for earning interest on cryptocurrencies and stablecoins, and a lending services for borrowing against cryptocurrency collateral. History Abra was founded in 2014 in the Silicon Valley by Bill Barhydt, a former fixed income analyst for Goldman Sachs and former director of Netscape. Abra operates a cryptocurrency wallet with a built-in crypto swap service called Abra Trade, a crypto lending service called Abra Borrow, and a crypto staking service called Abra Earn. In March 2018, Abra added support for 20 new cryptocurrencies including Litecoin, Bitcoin Cash and Stellar. In September 2021 Abra announced that it had raised an additional $55M in Series C funding bringing its total raised to date to over $85M. Investors in the financing included American Express Ventures, Blockchain Capital, Kingsway ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Privately Held Company
A privately held company (or simply a private company) is a company whose shares and related rights or obligations are not offered for public subscription or publicly negotiated in the respective listed markets, but rather the company's stock is offered, owned, traded, exchanged privately, or Over-the-counter (finance), over-the-counter. In the case of a closed corporation, there are a relatively small number of shareholders or company members. Related terms are closely-held corporation, unquoted company, and unlisted company. Though less visible than their public company, publicly traded counterparts, private companies have major importance in the world's economy. In 2008, the 441 list of largest private non-governmental companies by revenue, largest private companies in the United States accounted for ($1.8 trillion) in revenues and employed 6.2 million people, according to ''Forbes''. In 2005, using a substantially smaller pool size (22.7%) for comparison, the 339 companies on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bitcoin Cash
Bitcoin Cash is a cryptocurrency that is a fork of Bitcoin. Bitcoin Cash is a spin-off or altcoin that was created in 2017. In November 2018, Bitcoin Cash split further into two cryptocurrencies: Bitcoin Cash and Bitcoin SV. History Since its inception, Bitcoin users had maintained a common set of rules for the cryptocurrency. On 21 July 2017, bitcoin miners locked-in a software upgrade referred to as Bitcoin Improvement Proposal (BIP) 91, which meant that the Segregated Witness upgrade would activate at block 477,120. Segwit controversially would enable second layer solutions on bitcoin such as the Lightning Network. A key difference of opinion between Bitcoin users was over the running of nodes. Bitcoin supporters wanted to keep blocks small so that nodes could be operated with less resources, while some large block supporters find it acceptable that (due to large block sizes), nodes might only be run by universities, private companies and nonprofits. A group of bitcoin ac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tim Draper
Timothy Cook Draper (born June 11, 1958) is an American venture capital investor, and founder of Draper Fisher Jurvetson (DFJ), Entrepreneurs page website, ''accessed April 16, 2014'. , Draper Venture Network, Draper Associates and Draper Goren Holm. His most prominent investments include , , < ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hunter Horsley
Hunting is the human activity, human practice of seeking, pursuing, capturing, or killing wildlife or feral animals. The most common reasons for humans to hunt are to harvest food (i.e. meat) and useful animal products (fur/hide (skin), hide, bone/tusks, horn (anatomy), horn/antler, etc.), for recreation/taxidermy (see trophy hunting), to remove predators dangerous to humans or domestic animals (e.g. wolf hunting), to pest control, eliminate pest (organism), pests and nuisance animals that damage crops/livestock/poultry or zoonosis, spread diseases (see varmint hunting, varminting), for trade/tourism (see safari), or for conservation biology, ecological conservation against overpopulation and invasive species. Recreationally hunted species are generally referred to as the ''game (food), game'', and are usually mammals and birds. A person participating in a hunt is a hunter or (less commonly) huntsman; a natural area used for hunting is called a game reserve; an experienced hun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bitwise
In computer programming, a bitwise operation operates on a bit string, a bit array or a binary numeral (considered as a bit string) at the level of its individual bits. It is a fast and simple action, basic to the higher-level arithmetic operations and directly supported by the processor. Most bitwise operations are presented as two-operand instructions where the result replaces one of the input operands. On simple low-cost processors, typically, bitwise operations are substantially faster than division, several times faster than multiplication, and sometimes significantly faster than addition. While modern processors usually perform addition and multiplication just as fast as bitwise operations due to their longer instruction pipelines and other architectural design choices, bitwise operations do commonly use less power because of the reduced use of resources. Bitwise operators In the explanations below, any indication of a bit's position is counted from the right (least si ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zooko Wilcox
Zooko Wilcox-O'Hearn (born Bryce Wilcox; 13 May 1974 in Phoenix, Arizona), is an American Colorado-based computer security specialist, self-proclaimed cypherpunk, and CEO of the Electric Coin Company (ECC), a for-profit company leading the development of Zcash. Biography He is known for the Tahoe Least-Authority File Store (or Tahoe-LAFS), a secure, decentralized, fault-tolerant filesystem released under GPL and the TGPPL licenses. He is the creator of the Transitive Grace Period Public Licence (TGPPL). Wilcox-O'Hearn is the designer of multiple network protocols that incorporate concepts such as self-contained economies and secure reputation systems. He is a member of the development team of ZRTP and the BLAKE2 cryptographic hash function. Zooko's triangle is named after Wilcox-O'Hearn, who described the schema that relates three desirable properties of identifiers in 2001. Wilcox-O'Hearn was founder and CEO of Least Authority Enterprises in Boulder, Colorado where he is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roger Ver
Roger Keith Ver (born 27 January 1979) is an early investor in Bitcoin, Bitcoin-related startups and an early promoter of Bitcoin. Ver has sometimes been referred to as "Bitcoin Jesus". He now primarily promotes Bitcoin Cash as Ver sees it as fulfilling the intended and original purpose of the "Bitcoin White Paper", first published in 2009 by Satoshi Nakamoto, in which Nakamoto referred to Bitcoin as a peer-to-peer electronic cash system. Born and raised in Silicon Valley, he sold fireworks on eBay and later pleaded guilty to a related felony charge. He served 10 months in prison then moved to Japan in 2005. He renounced his United States citizenship in 2014 after obtaining a Saint Kitts and Nevis passport. He went on to serve as CEO of Bitcoin.com. Personal life Ver was born in San Jose, California. He attended Valley Christian High School. He then attended De Anza College for a year, dropping out to pursue his business interests. He identifies as a libertarian, anarcho-capit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Michael J
Michael may refer to: People * Michael (given name), a given name * Michael (surname), including a list of people with the surname Michael Given name "Michael" * Michael (archangel), ''first'' of God's archangels in the Jewish, Christian and Islamic religions * Michael (bishop elect), English 13th-century Bishop of Hereford elect * Michael (Khoroshy) (1885–1977), cleric of the Ukrainian Orthodox Church of Canada * Michael Donnellan (1915–1985), Irish-born London fashion designer, often referred to simply as "Michael" * Michael (footballer, born 1982), Brazilian footballer * Michael (footballer, born 1983), Brazilian footballer * Michael (footballer, born 1993), Brazilian footballer * Michael (footballer, born February 1996), Brazilian footballer * Michael (footballer, born March 1996), Brazilian footballer * Michael (footballer, born 1999), Brazilian footballer Rulers =Byzantine emperors= *Michael I Rangabe (d. 844), married the daughter of Emperor Nikephoros I * M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MicroStrategy
MicroStrategy Incorporated is an American company that provides business intelligence (BI), mobile software, and cloud-based services. Founded in 1989 by Michael J. Saylor, Sanju Bansal, and Thomas Spahr, the firm develops software to analyze internal and external data in order to make business decisions and to develop mobile apps. It is a public company headquartered in Tysons Corner, Virginia, in the Washington metropolitan area. Its primary business analytics competitors include SAP AG Business Objects, IBM Cognos, and Oracle Corporation's BI Platform. Saylor is the Executive Chairman and, from 1989 to 2022, was the CEO. History Saylor started MicroStrategy in 1989 with a consulting contract from DuPont, which provided Saylor with $250,000 in start-up capital and office space in Wilmington, Delaware. Saylor was soon joined by company co-founder Sanju Bansal, whom he had met while the two were students at Massachusetts Institute of Technology (MIT). The company produced softw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vitalik Buterin
Vitaly "Vitalik" Buterin (born 1994) is a Russian-Canadian computer programmer and founder of Ethereum. Buterin became involved with cryptocurrency early in its inception, co-founding ''Bitcoin Magazine'' in 2011. In 2014, Buterin deployed Ethereum on blockchain with Dimitry Buterin, Gavin Wood, Charles Hoskinson, Anthony Di Iorio and Joseph Lubin (entrepreneur), Joseph Lubin. Early life and education Buterin was born in Kolomna, Russia, in 1994. His father was a computer scientist. He lived in the area until the age of six when his parents Immigration to Canada, emigrated to Canada in search of better employment opportunities. While in grade three of elementary school in Canada, Buterin was placed into a class for gifted children and was drawn to mathematics, programming, and economics. Buterin then attended The Abelard School, a private high school in Toronto. Buterin learned about Bitcoin, from his father, Dimitry Buterin at the age of 17. After high school, Buterin attend ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ethereum
Ethereum is a decentralized, open-source blockchain with smart contract functionality. Ether (Abbreviation: ETH; sign: Ξ) is the native cryptocurrency of the platform. Among cryptocurrencies, ether is second only to bitcoin in market capitalization. Ethereum was conceived in 2013 by programmer Vitalik Buterin. Additional founders of Ethereum included Gavin Wood, Charles Hoskinson, Anthony Di Iorio and Joseph Lubin. In 2014, development work began and was crowdfunded, and the network went live on 30 July 2015. Ethereum allows anyone to deploy permanent and immutable decentralized applications onto it, with which users can interact. Decentralized finance (DeFi) applications provide a broad array of financial services without the need for typical financial intermediaries like brokerages, exchanges, or banks, such as allowing cryptocurrency users to borrow against their holdings or lend them out for interest. Ethereum also allows users to create and exchange NFTs, which are un ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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