Phrasal verbs in_use_mc_carthy
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The document discusses the history and development of a new technology called blockchain. Blockchain first emerged with bitcoin in 2009 as a way to keep track of cryptocurrency transactions in a decentralized manner without the need for a central authority. It has since inspired new applications and grown significantly in use, with many now exploring how blockchain can be applied to areas like banking, supply chain management, and digital identity.
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