Bip32 and bip39 https://atavi.com/share/xbwf7vz16jgof Regardless that it uses BIP32 method you can still import BIP39 seeds into Electrum wallet. Also apart from BIp32 There's BIP44 version which some wallet use with the generation of seeds. BIP32 and BIP44 operate collectively to include overall flexibility, privateness, and interoperability to HD Wallets. https://wildbookmarks.com/story20769064/bip39-copyright-an-unbiased-view-of-bip39-2048-words-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw