Bip39 gpu https://www.empowher.com/user/4550298 Although it takes advantage of BIP32 process you can even now import BIP39 seeds into Electrum wallet. Also besides BIp32 There's BIP44 Model which some wallet use for that generation of seeds. This additional complexity boosts the chance of misplacing the passphrase, and so shedding your copyright. https://edgargvkh682.theburnward.com/a-novice-s-overview-to-getting-a-bip39-mnemonic-expression