Bip39 react https://hubpages.com/@lefwenuuyr BIP85: A more recent proposal allowing the deterministic derivation of multiple BIP39 mnemonic seeds from a master seed. BitBox02 - A successor into the BitBox sequence, this hardware wallet supports BIP39 seed phrases and provides a blend of usability and stability. but it isn't really a passphrase https://jsbin.com/titaniseko