Bip39 hardware wallet https://postheaven.net/tiablexcen/recognizing-the-duty-of-bip39-in-copyright-budgets Even though it employs BIP32 strategy you could still import BIP39 seeds into Electrum wallet. Also other than BIp32 There's BIP44 version which some wallet use for the generation of seeds. How much protection does a passphrase include? A BIP39 passphrase considerably enhances yo... https://yesbookmarks.com/story20533713/bip39-list-github-the-definitive-guide-to-bip39-converter-https-dzen-ru-bip39-phrase-com