Bip39 mnemonic https://go.bubbl.us/ebe220/f17a?/Bookmarks Although it takes advantage of BIP32 strategy you could continue to import BIP39 seeds into Electrum wallet. Also aside from BIp32 there is BIP44 version which some wallet use for the era of seeds. BIP32 and BIP44 do the job jointly to include versatility, privacy, and interoperability https://apollobookmarks.com/story20426238/bip39-flutter-bip39-compatible-wallet-options-https-x-com-tundra838554