Bip32 bip39 bip44 https://gravatar.com/sparklyusually6089a4f337 While it utilizes BIP32 approach you could even now import BIP39 seeds into Electrum wallet. Also apart from BIp32 You can find BIP44 version which some wallet use for the generation of seeds. Due to the fact incorporating a passphrase to the seed words results in https://www.anobii.com/en/01000289012ff9b293/profile/activity