Norme bip39 https://www.bitsdujour.com/profiles/wWbptt Though it employs BIP32 system it is possible to even now import BIP39 seeds into Electrum wallet. Also besides BIp32 There's BIP44 Variation which some wallet use with the era of seeds. BIP39 solves this by using human-readable seed phrases composed of normal language words. These seed https://bookmarkstown.com/story20740802/bip39-vs-bip84-helping-the-others-realize-the-advantages-of-bip39-passphrase-https-cutt-ly-uryc5rw7