Hard forks
A hard fork changes rules in a way that can make blocks valid under the new rules invalid to nodes following the old rules.
Why it matters
A hard fork changes rules in a way that can make blocks valid under the new rules invalid to nodes following the old rules.
Key ideas
- A hard fork changes rules in a way that can make blocks valid under the new rules invalid to nodes following the old rules.
- This topic belongs to California Bitcoin’s protocol knowledge layer.
- Use primary and technical sources where possible, and distinguish protocol facts from market narratives.
Primary and technical sources
Bitcoin Developer DocumentationBitcoin.orgBitcoin: A Peer-to-Peer Electronic Cash SystemSatoshi Nakamoto