Bip32 Vs Bip39 To produce a seed phrase this fashion, You'll have a calculator that features a RANDOM perform (for producing entropy). Learn more about building a seed phrase working with an offline calculator listed here. BIP39 specifies a list of 2048 words from which the mnemonic phrase is chosen. https://thedeepdirectory.com/listings12997621/bip39-passphrase-generator-the-5-second-trick-for-bip39