Bip39 onekey https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 Regardless that it uses BIP32 strategy you can still import BIP39 seeds into Electrum wallet. Also in addition to BIp32 You can find BIP44 version which some wallet use to the generation of seeds. BIP39 solves this by utilizing human-readable seed phrases composed of normal langu... https://www.gamespot.com/profile/pothirpeib/