Bip39 mnemonic github https://www.symbaloo.com/mix/bookmarks-xfkm While it makes use of BIP32 method you are able to still import BIP39 seeds into Electrum wallet. Also aside from BIp32 There's BIP44 Variation which some wallet use with the technology of seeds. Just how much protection does a passphrase include? A BIP39 passphrase significantly https://bookmarksystem.com/story19835341/bip39-seed-phrase-mnemonics-generator-new-step-by-step-map-for-bip39-word-list-txt-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw