Norme bip39 https://pastelink.net/caobqzis While it takes advantage of BIP32 strategy you could even now import BIP39 seeds into Electrum wallet. Also apart from BIp32 there is BIP44 Model which some wallet use for your generation of seeds. BitBox02 - A successor into the BitBox collection, this hardware wallet supports BIP39 https://privatebookmark.com/story20608541/bip39-bip44-5-essential-elements-for-bip39-word-list-pdf-https-t-me-bip39-chat