Satoshi Nakamoto is the pseudonymous person or group who created Bitcoin. Satoshi published the Bitcoin whitepaper titled "Bitcoin: A Peer-to-Peer Electronic Cash System" on October 31, 2008, introducing the concept of a decentralized digital currency.
Key milestones: Published the Bitcoin whitepaper (October 2008), mined the genesis block (January 3, 2009), released Bitcoin software (January 2009), actively developed Bitcoin until 2010, and ceased all public communication in 2011.
The identity of Satoshi Nakamoto remains unknown. Various individuals have been suspected or claimed to be Satoshi, including computer scientists, cryptographers, and entrepreneurs, but no claim has been definitively proven. Satoshi is estimated to hold approximately 1 million Bitcoin from early mining.
Legacy: Satoshi Nakamoto introduced blockchain technology, solved the double-spending problem for digital currencies, created the foundation for the entire cryptocurrency industry, and established principles of decentralization and trustless systems that continue to influence technology development.