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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. Consensus between nodes is achieved using a computationally intensive process based on proof of work, called mining, that guarantees the ...
Cryptocurrency has undergone several periods of growth and retraction, including several bubbles and market crashes, such as in 2011, 2013–2014/15, 2017–2018 and 2021–2023. On 6 August 2014, the UK announced its Treasury had commissioned a study of cryptocurrencies, and what role, if any, they could play in the UK economy. . The study was also to report on whether regulation should be ...
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] Nakamoto was active in the ...
The need for internal audits to provide effective oversight of organizational efficiency will require a change in the way that information is accessed in new formats.[177] Blockchain adoption requires a framework to identify the risk of exposure associated with transactions using blockchain. The Institute of Internal Auditors has identified ...
United States dollar. The United States dollar ( symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.
Euro. The euro ( symbol: €; currency code: EUR) is the official currency of 20 of the 27 member states of the European Union. This group of states is officially known as the euro area or, more commonly, the eurozone. The euro is divided into 100 euro cents. [6] [7]
The Hobbit is a series of three fantasy adventure films directed by Peter Jackson.The films are subtitled An Unexpected Journey (2012), The Desolation of Smaug (2013), and The Battle of the Five Armies (2014). The films are based on J. R. R. Tolkien's 1937 novel The Hobbit, but much of the trilogy was inspired by the appendices to his 1954–55 The Lord of the Rings, which expand on the story ...
