16/n

Private Child Key Derivation.

HD wallets utilize Child Key Derivation to derive child keys from parent keys. A hash function, chain code, and index number play pivotal roles in this process. Understand how private child keys are securely derived.

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17/n

Extended keys serve as the root of a branch, allowing the derivation of entire subtrees. Whether extended private keys for complete branches or extended public keys for public key–only deployments, they play a key role in HD wallet functionality.