Bip39 number of words https://mariobrpx591.cavandoragh.org/getting-a-bip39-phrase-in-python-a-comprehensive-tutorial Despite the fact that it uses BIP32 process it is possible to still import BIP39 seeds into Electrum wallet. Also besides BIp32 There may be BIP44 version which some wallet use for the generation of seeds. Exactly how much protection does a passphrase insert? A https://bookmarkforce.com/story20745963/bip39-tron-helping-the-others-realize-the-advantages-of-bip39-passphrase-https-linktr-ee-bip39