Bip39 mnemonic to private key https://unsplash.com/@morganvmyg While it takes advantage of BIP32 strategy you could still import BIP39 seeds into Electrum wallet. Also other than BIp32 There exists BIP44 Edition which some wallet use with the generation of seeds. Each individual word’s initial 4 characters are exclusive, allowing for wallets https://thebookmarkid.com/story20720050/bip39-onekey-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7