Bip39n code https://www.sbnation.com/users/typhanhmdy Despite the fact that it works by using BIP32 system it is possible to continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 Edition which some wallet use for that generation of seeds. Vault12 may be the pioneer in copyright https://telebookmarks.com/story11059230/electrum-bip39-passphrase-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7