Bip39 buffer is not defined https://postheaven.net/tiablexcen/recognizing-the-duty-of-bip39-in-copyright-budgets The final stage of BIP-39 is creating the actual binary seed and that is then applied as being a grasp vital in BIP-32 deterministic wallet or making use of other methods. BitBox02 - A successor to the BitBox collection, this hardware wallet supports BIP39 https://get-social-now.com/story6066813/bip39-first-4-letters-5-tips-about-bip39-standard-you-can-use-today-https-linktr-ee-bip39