Bip39 meaning https://edgargvkh682.theburnward.com/a-novice-s-overview-to-getting-a-bip39-mnemonic-expression Though it makes use of BIP32 strategy you'll be able to however import BIP39 seeds into Electrum wallet. Also in addition to BIp32 there is BIP44 version which some wallet use for that generation of seeds. How much protection does a passphrase include? A BIP39 passphrase notic... https://mysocialport.com/story5344963/bip39-backup-new-step-by-step-map-for-bip39-github-https-cutt-ly-uryc5rw7