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  1. en.wikipedia.org › wiki › BitcoinBitcoin - Wikipedia

    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.

    • BTC, XBT
    • 10−8
    • Bitcoins
    • ₿, (Unicode: .mw-parser-output .monospaced{font-family:monospace,monospace}U+20BF ₿ BITCOIN SIGN)
  2. The history of bitcoin started with its invention and implementation by Satoshi Nakamoto, who integrated many existing ideas from the cryptography community. Over the course of bitcoin's history, it has undergone rapid growth to become a significant store of value both on- and offline.

  3. en.wikipedia.org › wiki › ISO_4217ISO 4217 - Wikipedia

    ISO 4217. An airline ticket showing the price with ISO 4217 code "EUR" ( bottom left) and not with euro currency sign " € ". ISO 4217 is a standard published by the International Organization for Standardization (ISO) that defines alpha codes and numeric codes for the representation of currencies and provides information about the ...

  4. Legal status of bitcoin. Legal tender (bitcoin is officially recognized as a medium of exchange) Permissive (legal to use bitcoin, with minimal or no restrictions) Restricted (some legal restrictions on the usage of bitcoin) Contentious (interpretation of old laws, but bitcoin is not directly prohibited)

  5. 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 ...

  6. 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.

  7. Bitcoin protocol. The Bitcoin protocol is the set of rules that govern the functioning of Bitcoin. Its key components and principles are: a peer-to-peer decentralized network with no central oversight; the blockchain technology, a public ledger that records all Bitcoin transactions; mining and proof of work, the process to create new bitcoins ...