Bip32 and bip39 https://www.anobii.com/en/01000289012ff9b293/profile/activity While it works by using BIP32 system you'll be able to still import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 Edition which some wallet use with the generation of seeds. BIP32 and BIP44 operate jointly to include flexibility, privacy, and interoperability https://opensocialfactory.com/story23659128/bip39-decoder-bip39-passphrase-generator-options-https-dzen-ru-bip39-phrase-com