Bitcoin
Official Bitcoin project site
bitcoin.orgUpdated 2026-11-02
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About
Bitcoin.org is the original Bitcoin project site with the whitepaper, core wallet and developer documentation. Bitcoin, born in 2009, is the first blockchain with a 21 million supply cap under proof of work.
The whitepaper and core docs are the origin of every claim — worth checking any secondhand take against them. Running a full node is the most direct support for the network.
Main uses
- Whitepaper
- Core wallet
- Developer docs
Site info
FAQ
Is bitcoin.org the official Bitcoin website?
It's a community-maintained early site with wallet lists and beginner material. Bitcoin has no central authority — distinguish it from bitcoincore.org for the Core software.
What should a beginner look for in a bitcoin wallet?
Open-source code and self-verified seeds. The site's wallet list is organized by platform; desktop users should consider full-node verification.
How do I reach the official Bitcoin site safely?
The “Visit official site” button on this page points to Bitcoin’s official address: bitcoin.org. Fake clones are common in crypto — verify the domain and bookmark this page or the official URL.
Does Bitcoin cost money?
Free