Bip39 onekey https://www.sbnation.com/users/typhanhmdy Although it makes use of BIP32 system you are able to nonetheless import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 Model which some wallet use for the technology of seeds. BIP39 solves this by making use of human-readable seed phrases made up https://health-lists.com/story21442649/electrum-bip39-passphrase-about-bip39-2048-words-https-t-me-bip39-chat