Bip39 buffer is not defined https://josueaqpi312.huicopper.com/leading-5-online-bip39-generators-for-easy-copyright-security Although it makes use of BIP32 process it is possible to however import BIP39 seeds into Electrum wallet. Also apart from BIp32 There's BIP44 Model which some wallet use to the technology of seeds. Due to the cryptographic structure of BIP-39, a weak passphrase https://hotbookmarkings.com/story20656903/official-bip39-list-5-tips-about-bip39-standard-you-can-use-today-https-cutt-ly-uryc5rw7