List B Document I9 If you'd like to complete a deep dive, and recognize the precise mechanisms of how BIP39 wallets convert mnemonic codes into a binary seed, There's a description in the look doc at . In addition, do you rely on the developers created a sufficiently random RNG? https://bookmarkspiral.com/story18633121/bip39-the-fact-about-bip39-phrase-that-no-one-is-suggesting