Bitcoin is the first decentralized cryptocurrency, introduced in 2008 when an unknown person using the pseudonym Satoshi Nakamoto published its white paper outlining a peer-to-peer electronic cash system. The network launched in 2009 with the release of its open-source software, and Bitcoin has since become the largest digital asset by market capitalization, playing a central role in crypto markets and broader discussions around monetary policy and financial infrastructure.
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7 October 2025