Bip39 hd wallet https://www.pexels.com/@adele-fanetti-2153528476/ Regardless that it takes advantage of BIP32 system you could continue to import BIP39 seeds into Electrum wallet. Also besides BIp32 there is BIP44 Edition which some wallet use for your era of seeds. Simply how much protection does a passphrase insert? A BIP39 passphrase drastically https://socialbraintech.com/story5564457/bip39-online-generator-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-english-word-list-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw