Bip39 bitcoin core https://edgargvkh682.theburnward.com/a-novice-s-overview-to-getting-a-bip39-mnemonic-expression Regardless that it works by using BIP32 technique you are able to even now import BIP39 seeds into Electrum wallet. Also other than BIp32 There exists BIP44 Variation which some wallet use for that era of seeds. BitBox02 - A successor to the BitBox sequence, this https://social-lyft.com/story10404998/bip39-word-generator-the-5-second-trick-for-bip39-mnemonic-code-converter-tool-https-t-me-bip39-chat