Bip39 entropy https://www.empowher.com/user/4550298 Though it utilizes BIP32 system you could continue to import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There exists BIP44 version which some wallet use for the era of seeds. What’s intriguing is that every different passphrase you employ Using the same seed phrase https://socials360.com/story11048166/bip39-mnemonic-example-detailed-notes-on-bip39-wallet-https-t-me-bip39-chat