Bip39 Compliant Passphrase Despite the fact that it uses BIP32 method you can even now import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 version which some wallet use to the era of seeds. The software program of a wallet makes use of an entire list https://web.archive.org/web/20241123074420/https://bip39-phrase.com/