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  2. 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. [261] By the end of 2021, bitcoin was estimated to produce 65.4 million tons of CO 2, as much as Greece, [262] and consume between 91 and 177 terawatt-hours annually ...

  3. 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, [ 63 ] and ISO 4217 requires the first letter used in global commodities to be 'X'. [ 63 ]

  4. United States dollar - Wikipedia

    en.wikipedia.org/wiki/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.

  5. Dogecoin - Wikipedia

    en.wikipedia.org/wiki/Dogecoin

    Dogecoin (/ ˈ d oʊ (d) ʒ k ɔɪ n / DOHJ-koyn or DOHZH-koyn, [2] Abbreviation: DOGE; sign: Ð) is a cryptocurrency created by software engineers Billy Markus and Jackson Palmer, who decided to create a payment system as a joke, making fun of the wild speculation in cryptocurrencies at the time. [3]

  6. Twitter - Wikipedia

    en.wikipedia.org/wiki/Twitter

    Twitter, officially known as X since 2023, is a social networking service.It is one of the world's largest social media platforms and one of the most-visited websites. [4] [5] Users can share short text messages, images, and videos in short posts commonly known as "tweets" (officially "posts") and like other users' content. [6]

  7. Wikipedia:Unusual articles - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Unusual_articles

    A cow with antlers atop a power line pole. Wikipedia contains other images and articles that are similarly shocking or udderly amoosing.. Of the over six million articles in the English Wikipedia there are some articles that Wikipedians have identified as being somewhat unusual.

  8. Cloud computing - Wikipedia

    en.wikipedia.org/wiki/Cloud_computing

    Dropbox had been breached in October 2014, having over seven million of its users passwords stolen by hackers in an effort to get monetary value from it by Bitcoins (BTC). By having these passwords, they are able to read private data as well as have this data be indexed by search engines (making the information public).

  9. Virtual assistant - Wikipedia

    en.wikipedia.org/wiki/Virtual_assistant

    In instant messaging applications on both smartphones and via the Web, e.g. M (virtual assistant) on both Facebook and Facebook Messenger apps or via the Web; Built into a mobile operating system (OS), as are Apple's Siri on iOS devices and BlackBerry Assistant on BlackBerry 10 devices, or into a desktop OS such as Cortana on Microsoft Windows OS