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Launch · Oct 31, 2008
Bitcoin whitepaper published
Satoshi Nakamoto shares the Bitcoin paper on a cryptography mailing list.
No price shown: our sourced price data for Bitcoin does not cover Oct 31, 2008.
On October 31, 2008, a person or group using the name Satoshi Nakamoto posted "Bitcoin: A Peer to Peer Electronic Cash System" to a cryptography mailing list. The paper explained how a chain of blocks secured by proof of work could stop people from spending the same coin twice without a trusted company in charge.
There was no price at this point because there was no coin yet. The software followed about two months later.
Part of Bitcoin in 2008 · full Bitcoin timeline · Bitcoin hub
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Facts written in our own words. Last checked Oct 14, 2026.