Bip39 buffer is not defined https://archerujcb329.tearosediner.net/comprehending-the-function-of-bip39-in-copyright-pocketbooks While it employs BIP32 system you could still import BIP39 seeds into Electrum wallet. Also in addition to BIp32 You can find BIP44 version which some wallet use for the generation of seeds. BIP39 increases wallet safety by making backups dependable, simple, ... https://wearethelist.com/story22923039/pip-install-bip39-bip39-github-an-overview-https-linktr-ee-bip39