Kotlin bip39 https://giphy.com/channel/ebliciwsah While it takes advantage of BIP32 approach you can continue to import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There exists BIP44 version which some wallet use for the technology of seeds. The amount of safety does a passphrase incorporate? A BIP39 passphrase substantially https://bookmarkhard.com/story20822435/bip32-bip39-bip44-helping-the-others-realize-the-advantages-of-bip39-passphrase-https-linktr-ee-bip39