Bip-39 https://archerujcb329.tearosediner.net/comprehending-the-function-of-bip39-in-copyright-pocketbooks Though it employs BIP32 approach you can however import BIP39 seeds into Electrum wallet. Also aside from BIp32 there is BIP44 Edition which some wallet use to the technology of seeds. BitBox02 - A successor to the BitBox series, this components wallet supports BIP39 seed phrases... https://socialmediastore.net/story21596375/bip39-online-generator-bip39-checksum-an-overview-https-linktr-ee-bip39