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

    1 day ago · 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.

    • Satoshi Nakamoto

      Satoshi Nakamoto is the name used by the presumed...

    • Mining

      A diagram of a bitcoin transfer. The Bitcoin protocol is the...

    • Bitcoin in El Salvador

      El Salvador became the first country in the world to use...

    • Ledger

      Macon-Knoxville, GA Store Ledger, 1825–1831.. A ledger is a...

  2. en.wikipedia.org › wiki › Social_mediaSocial media - Wikipedia

    1 day ago · Social media. Social media are interactive technologies that facilitate the creation, sharing and aggregation of content, ideas, interests, and other forms of expression through virtual communities and networks. [1] [2] Although not unchallenged, [3] [4] common features include: [2] Online platforms that enable users to create and share content ...

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