Bip38 vs bip39 https://www.4shared.com/s/fAf7kF4dLku While it utilizes BIP32 approach you can even now import BIP39 seeds into Electrum wallet. Also apart from BIp32 There is certainly BIP44 Variation which some wallet use to the generation of seeds. Want to check which wallets support the BIP39 mnemonic recovery seed phrase? Read https://bookmarketmaven.com/story21005220/bip39-download-not-known-factual-statements-about-bip39-mnemonic-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw