Bip39 key https://www.pexels.com/@adele-fanetti-2153528476/ Although it uses BIP32 method you are able to continue to import BIP39 seeds into Electrum wallet. Also aside from BIp32 There exists BIP44 version which some wallet use to the generation of seeds. BitBox02 - A successor towards the BitBox series, this components wallet supports BIP39 https://bookmarkedblog.com/story21585358/bip39-js-cdn-not-known-details-about-bip39-generator-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw