Bip39 or slip39 https://gravatar.com/sparklyusually6089a4f337 Although it takes advantage of BIP32 technique it is possible to even now import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 version which some wallet use for the era of seeds. Due to the cryptographic structure of BIP-39, a weak passphrase https://socialwebnotes.com/story5750471/bip39-app-the-definitive-guide-to-bip39-converter-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw