Wallets • Estimated 45m

Seed Passphrase (BIP39)

custody.passphrase

Optional passphrase extension for mnemonic seeds and its recovery risk tradeoffs.

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Curated resources (3)

• BIP 39: Mnemonic Code (article) Specification for mnemonic + passphrase derivation.
• Bitcoin Design: Backups (article) Human factors and backup strategy guidance.
• Bitcoin Developer Guide: Wallets (article) Operational key-management context for passphrase-protected seeds.

Direct prerequisites (2)

• BIP39 Mnemonics
• Seed Phrases

Direct dependents (0)

• None

Canonical site description: Interactive Bitcoin knowledge graph with prerequisites, curated resources, and structured topic pages.