Bip39 how it works https://collinmmss433.lucialpiazzale.com/from-concept-to-fact-generating-bitcoin-addresses-with-bip39 Though it utilizes BIP32 technique you'll be able to nonetheless import BIP39 seeds into Electrum wallet. Also in addition to BIp32 there is BIP44 Model which some wallet use to the technology of seeds. Just how much stability does a passphrase add? A BIP39 passphrase https://thesocialcircles.com/story5577063/bip39-gpu-5-simple-statements-about-bip39-converter-explained-https-linktr-ee-bip39