Bitcoin was introduced in 2009 as a decentralized digital currency and payment system. Its creator, Satoshi Nakamoto, remains unknown to this day. Bitcoin operates without a central bank or single administrator and transactions occur directly between users on a peer-to-peer network. The network relies on nodes to verify transactions through cryptography, and once verified, transactions are recorded on a publicly distributed ledger called the blockchain. As the first and most well-known cryptocurrency, Bitcoin has inspired the development of many other digital currencies and continues to be a popular choice for investors and users alike.
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