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Custody · Modern Bitcoin

Extended public keys

An extended public key can derive a branch of public keys and addresses without exposing the corresponding private spending keys.

Why it matters

An extended public key can derive a branch of public keys and addresses without exposing the corresponding private spending keys.

Key ideas

Primary and technical sources

Bitcoin Developer DocumentationBitcoin.orgBitcoin: A Peer-to-Peer Electronic Cash SystemSatoshi Nakamoto

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