List B Document I9 Though it uses BIP32 strategy you can continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 You can find BIP44 Model which some wallet use to the era of seeds. Furthermore, would you trust which the developers established a sufficiently random RNG? A https://socialwebconsult.com/story3917870/invalid-bip39-phrase-details-fiction-and-bip39