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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]
Digital currencies, computer science, cryptography. 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 ...
Digital currency. Digital currency (digital money, electronic money or electronic currency) is any currency, money, or money-like asset that is primarily managed, stored or exchanged on digital computer systems, especially over the internet. Types of digital currencies include cryptocurrency, virtual currency and central bank digital currency.
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.
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. [250] By the end of 2021, bitcoin was estimated to produce 65.4 million tons of CO 2, as much as Greece, [251] and consume between 91 and 177 terawatt-hours annually ...
Cryptocurrency exchange. 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 ...
Economics of bitcoin. For broader coverage of this topic, see Bitcoin and Cryptocurrency. Bitcoin was designed by its pseudonymous inventor, Satoshi Nakamoto, to work as a currency, but its status as a currency is disputed. [1] Economists define money as a store of value, a medium of exchange and a unit of account, and agree that bitcoin does ...
Bitcoin Cash (also referred to as Bcash) is a cryptocurrency that is a fork of bitcoin. Launched in 2017, Bitcoin Cash is considered an altcoin or spin-off of bitcoin. [9][10][11] In November 2018, Bitcoin Cash further split into two separate cryptocurrencies: Bitcoin Cash (BCH) and Bitcoin Satoshi Vision (BSV). [12]