Bitcoin Whitepaper Publication

Satoshi Nakamoto sent an email titled 'Bitcoin P2P e-cash paper' to the cryptography mailing list, introducing the whitepaper 'Bitcoin: A Peer-to-Peer Electronic Cash System.'

Significance

This was the foundational document, outlining the revolutionary concepts of a decentralized digital currency, proof-of-work, and the blockchain, setting the stage for Bitcoin Core's development.