Bip39 date https://www.empowher.com/user/4550298 Even though it uses BIP32 system you'll be able to even now import BIP39 seeds into Electrum wallet. Also apart from BIp32 There is certainly BIP44 version which some wallet use for the technology of seeds. Some wallets can import different seed phrases and many have only https://fatallisto.com/story10717247/electrum-import-bip39-not-known-factual-statements-about-bip39-mnemonic-https-dzen-ru-bip39-phrase-com