Bip 39 Passphrase If you'd like to do a deep dive, and fully grasp the precise mechanisms of how BIP39 wallets convert mnemonic codes into a binary seed, There's a description in the design doc at . Additionally, do you believe in which the builders made a sufficiently random RNG? https://bouchesocial.com/story20678137/bip39-wallet-an-unbiased-view-of-seed-phrase-generator