Bip39 recovery phrase https://www.storeboard.com/myrtierisaliti Regardless that it uses BIP32 process it is possible to continue to import BIP39 seeds into Electrum wallet. Also aside from BIp32 There may be BIP44 Edition which some wallet use with the technology of seeds. How much protection does a passphrase incorporate? A BIP39 passphrase https://bookmarkstime.com/story20805451/pip-install-bip39-bip39-converter-an-overview-https-cutt-ly-uryc5rw7