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Threat Models & Custody Basics·Lesson 3 of 21·12 min

Seed Phrases and Entropy

This lesson is for enrolled learners

The concept A seed phrase (usually 12 or 24 words from the BIP-39 wordlist) is a human-readable representation of a random number — the master entropy from which every private key, address, and asset in your wallet is mathematically derived. This is the single most important fact in self-custody: the seed phrase is the funds. Whoever holds a valid copy……

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