Bip39 mnemonic seed phrase https://www.empowher.com/user/4550298 Even though it works by using BIP32 approach you may continue to import BIP39 seeds into Electrum wallet. Also aside from BIp32 There's BIP44 Edition which some wallet use with the technology of seeds. BitBox02 - A successor for the BitBox series, this components wallet https://thebookmarklist.com/story20149745/bip39-list-github-new-step-by-step-map-for-bip39-standard-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw