Bip39 backup https://www.giantbomb.com/profile/blathayqvn/ Though it takes advantage of BIP32 process you may however import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There is certainly BIP44 Model which some wallet use for the era of seeds. The amount of protection does a passphrase insert? A BIP39 passphrase substantially https://socials360.com/story11230218/bip39-vs-bip32-examine-this-report-on-bip39-vs-slip39-https-linktr-ee-bip39