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Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger , called a blockchain , without central oversight.
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]
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.
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In 2021, the government of El Salvador began purchasing bitcoin. It spent about $85.5 million on bitcoin between September 2021 and January 2022. [52] The value of bitcoin began decreasing in November 2021, and had fallen by about 45% of its value by January 2022. [53]
Street Insider declared bitcoin "dead" in February 2014, [110] followed by The Weekly Standard in March 2014, [111] Salon in March 2014, [112] Vice News in March 2014, [113] and Financial Times in September 2014. [114] In January 2015, USA Today stated bitcoin was "headed to the ash heap", [115] and The Telegraph declared "the end of bitcoin ...
A widely traded currency pair is the relation of the euro against the US dollar, designated as EUR / USD. The quotation EUR/USD 1.2500 means that one euro is exchanged for 1.2500 US dollars. Here, EUR is the base currency and USD is the quote currency (counter currency). This means that 1 Euro can be exchangeable to 1.25 US Dollars.
A currency[a] is a standardization of money in any form, in use or circulation as a medium of exchange, for example banknotes and coins. [1][2] A more general definition is that a currency is a system of money in common use within a specific environment over time, especially for people in a nation state. [3] Under this definition, the British ...