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Extended public key

A public HD-wallet key that can derive addresses without revealing private signing keys.

A public HD-wallet key that can derive addresses without revealing private signing keys.

A public HD-wallet key that can derive addresses without revealing private signing keys. This coordinate is placed in the wider system through its protocol, economic and historical relationships.

Understanding Extended public key 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 · 001BIP 32: Extended public keysSpecification
Reviewed 25 July 2026Source-first · No investment advice