Bip39 buffer is not defined https://www.sbnation.com/users/typhanhmdy Even though it works by using BIP32 system it is possible to continue to import BIP39 seeds into Electrum wallet. Also apart from BIp32 there is BIP44 version which some wallet use to the era of seeds. BitBox02 - A successor to your BitBox https://seolistlinks.com/story21284095/bip39-list-of-words-a-secret-weapon-for-bip39-mnemonic-https-x-com-tundra838554