
The nine-page paper proposed electronic payments without a trusted financial intermediary. It combined proof of work, a peer-to-peer timestamp server, and economic incentives into a system designed to resist double spending.
Satoshi Nakamoto announced “Bitcoin: A Peer-to-Peer Electronic Cash System” on the Cryptography Mailing List.

The nine-page paper proposed electronic payments without a trusted financial intermediary. It combined proof of work, a peer-to-peer timestamp server, and economic incentives into a system designed to resist double spending.