Bip 39 index https://www.cheaperseeker.com/u/adeneuwaks While it takes advantage of BIP32 process you are able to even now import BIP39 seeds into Electrum wallet. Also besides BIp32 There's BIP44 Model which some wallet use for that generation of seeds. Want to examine which wallets assistance the BIP39 mnemonic recovery seed phrase? https://bookmarklogin.com/story20941502/when-was-bip39-introduced-about-bip39-2048-words-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw