Electrum bip39 passphrase https://files.fm/u/2eemhhak2q#design Though it works by using BIP32 system you could still import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 Variation which some wallet use with the era of seeds. Simply how much stability does a passphrase incorporate? A BIP39 passphrase drastically https://single-bookmark.com/story20846471/bip39-meaning-new-step-by-step-map-for-bip39-standard-https-x-com-tundra838554