Bip39 Passphrase Inheritance Though it works by using BIP32 method you'll be able to even now import BIP39 seeds into Electrum wallet. Also besides BIp32 You can find BIP44 Variation which some wallet use for the generation of seeds. Here's five tips on how to make a seed phrase, with https://altbookmark.com/story20185684/bip39-key-bip39-word-list-secrets