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History of bitcoin. Bitcoin is a cryptocurrency, a digital asset that uses cryptography to control its creation and management rather than relying on central authorities. [1] Originally designed as a medium of exchange, Bitcoin is now primarily regarded as a store of value.
Satoshi Nakamoto is the name used by the presumed pseudonymous [1][2][3][4] person or persons who developed bitcoin, authored the bitcoin white paper, and created and deployed bitcoin's original reference implementation. [5] As part of the implementation, Nakamoto also devised the first blockchain database. [6]
Wallets. Bitcoin wallets were the first cryptocurrency wallets, enabling users to store the information necessary to transact bitcoins. [87][8]: ch. 1, glossary The first wallet program, simply named Bitcoin, and sometimes referred to as the Satoshi client, was released in 2009 by Nakamoto as open-source software. [7]
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Bitcoin and other cryptocurrencies currently secure their blockchain by requiring new entries to include proof of work. To prolong the blockchain, bitcoin uses Hashcash puzzles. While Hashcash was designed in 1997 by Adam Back , the original idea was first proposed by Cynthia Dwork and Moni Naor and Eli Ponyatovski in their 1992 paper "Pricing ...
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Natalie worked as a freelance associate producer for CNN and as multimedia producer for Reuters TV. She worked for KESQ-TV in Palm Springs, California as MMJ and later as investigative reporter. Later, she joined KCRA-TV in Sacramento, California. [4] At KCRA, Natalie covered breaking news, enterprise reporting and features.
As bitcoin once again is floating around a record high, MicroStrategy executive chair Michael Saylor has an unusually aggressive bitcoin take — and says he will never sell.