Bip39 release date https://atavi.com/share/xbwf7vz16jgof Though it utilizes BIP32 technique you could even now import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 version which some wallet use for the technology of seeds. Some wallets can import many seed phrases and a few only have just one https://peakbookmarks.com/story20544644/kotlin-bip39-everything-about-bip39-word-list-txt-https-t-me-bip39-chat