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  2. Bitcoin - Wikipedia

    en.wikipedia.org/wiki/Bitcoin

    The unit of account of the bitcoin system is the bitcoin. It is most commonly represented with the symbol ₿ [1] and the currency code BTC. However, the BTC code does not conform to ISO 4217 as BT is the country code of Bhutan, [56] and ISO 4217 requires the first letter used in global commodities to be 'X'. [56]

  3. Currency pair - Wikipedia

    en.wikipedia.org/wiki/Currency_pair

    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.

  4. Cryptocurrency - Wikipedia

    en.wikipedia.org/wiki/Cryptocurrency

    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. [254] By the end of 2021, bitcoin was estimated to produce 65.4 million tons of CO 2, as much as Greece, [255] and consume between 91 and 177 terawatt-hours annually ...

  5. History of bitcoin - Wikipedia

    en.wikipedia.org/wiki/History_of_bitcoin

    For six hours two bitcoin networks operated at the same time, each with its own version of the transaction history. The core developers called for a temporary halt to transactions, sparking a sharp sell-off. [58] Normal operation was restored when the majority of the network downgraded to version 0.7 of the bitcoin software. [58]

  6. List of countries by foreign-exchange reserves - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Foreign exchange reserves, also called Forex reserves, in a strict sense, are foreign-currency deposits held by nationals and monetary authorities.However, in popular usage and in the list below, it also includes gold reserves, special drawing rights (SDRs) and IMF reserve position because this total figure, which is usually more accurately termed as official reserves or international reserves ...

  7. Kraken (company) - Wikipedia

    en.wikipedia.org/wiki/Kraken_(company)

    Kraken; Type: Cryptocurrency exchange: Location: San Francisco, California, United States: Coordinates: 1]: Founded: July 28, 2011; 13 years ago (): Owner: Payward, Inc. [1]: Key people: Dave Ripley (CEO) [1]: Currency: Cryptocurrencies: [2] BTC, ETH, DOT, ADA, DOGE, XMR Fiat currencies: USD, EUR, JPY, GBP, CAD, AUD, CHF, AED: Website: kraken.com: Kraken (legally named Payward, Inc.) is a ...

  8. Foreign exchange market - Wikipedia

    en.wikipedia.org/wiki/Foreign_exchange_market

    The foreign exchange market (forex, FX (pronounced "fix"), or currency market) is a global decentralized or over-the-counter (OTC) market for the trading of currencies. This market determines foreign exchange rates for every currency. It includes all aspects of buying, selling and exchanging currencies at current or determined prices.

  9. U.S. Dollar Index - Wikipedia

    en.wikipedia.org/wiki/U.S._Dollar_Index

    The U.S. Dollar Index (USDX, DXY, DX, or, informally, the "Dixie") is an index (or measure) of the value of the United States dollar relative to a basket of foreign currencies, [1] often referred to as a basket of U.S. trade partners' currencies. [2] The Index goes up when the U.S. dollar gains "strength" (value) when compared to other currencies.