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The State Bank of Vietnam has declared that the issuance, supply and use of bitcoin and other similar virtual currency is illegal as a mean of payment and subject to punishment ranging from 150 million to 200 million VND, [134] but the government does not ban bitcoin trading as a virtual goods or assets.
Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Based on a free-market ideology, bitcoin was invented in 2008 by Satoshi Nakamoto, an unknown person. [5] Use of bitcoin as a currency began in 2009, [6] with the release of its open-source implementation. [7]: ch. 1 In 2021, El Salvador adopted it as legal tender ...
By November 2018, bitcoin was estimated to have an annual energy consumption of 45.8TWh, generating 22.0 to 22.9 million tons of CO 2, rivalling nations like Jordan and Sri Lanka. [251] By the end of 2021, bitcoin was estimated to produce 65.4 million tons of CO 2, as much as Greece, [252] and consume between 91 and 177 terawatt-hours annually ...
Finney downloaded the bitcoin software the day it was released, and received 10 bitcoins from Nakamoto in the world's first bitcoin transaction on 12 January 2009 (block 170). [ 25 ] [ 26 ] Other early supporters were Wei Dai , creator of bitcoin predecessor b-money , and Nick Szabo , creator of bitcoin predecessor bit gold . [ 16 ]
The Bitcoin Standard: The Decentralized Alternative to Central Banking is a 2018 book by Saifedean Ammous, published by Wiley.. A review in Reason magazine praised Ammous' explanations, but criticised periodic rants "attributing all of society's alleged cultural failings... to government-issued money", [1] a criticism repeated in a review in Cato Journal.
Originally, both bitcoin and Bitcoin Cash used the same difficulty adjustment algorithm, adjusting the mining difficulty parameter every 2016 blocks. Since 1 August 2017, Bitcoin Cash also used an addition to the DAA, called an Emergency Difficulty Adjustment (EDA) algorithm. EDA was used alongside the original DAA and it was designed to ...
Bitcoin mining facility in Quebec, Canada. The environmental impact of bitcoin is significant. Bitcoin mining, the process by which bitcoins are created and transactions are finalized, is energy-consuming and results in carbon emissions, as about half of the electricity used in 2021 was generated through fossil fuels. [1]
Bitcoin Billionaires: A True Story of Genius, Betrayal, and Redemption is a 2019 book by Ben Mezrich.A sequel to The Accidental Billionaires, the book traces Cameron and Tyler Winklevoss' journey into the world of cryptocurrency, investing in bitcoin and encountering early adopters Charlie Shrem, Roger Ver, Erik Voorhees, Naval Ravikant and Dan Kaminsky, in the face of mounting scrutiny from ...