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Chain reorganization

A node replaces its current chain tip when it learns of a valid branch with more accumulated work.

A node replaces its current chain tip when it learns of a valid branch with more accumulated work.

A node replaces its current chain tip when it learns of a valid branch with more accumulated work. This coordinate is placed in the wider system through its protocol, economic and historical relationships.

Understanding Chain reorganization helps distinguish a verifiable Bitcoin mechanism or historical record from slogans, products and market narratives.

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Linked to related atlas coordinates

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Grounded in a source record

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Explains function and trade-offs

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Part of the open Bitcoin knowledge graph

DOC · 001Bitcoin Developer Guide — Block Height and ForkingDocumentation
Reviewed 25 July 2026Source-first · No investment advice