Bip39 buffer is not defined https://www.plurk.com/p/3hf2syltjx Regardless that it takes advantage of BIP32 approach you can nonetheless import BIP39 seeds into Electrum wallet. Also apart from BIp32 There's BIP44 Edition which some wallet use to the generation of seeds. One example is, when you in the beginning setup your wallet https://exactlybookmarks.com/story20182398/bip39-word-checker-bip39-github-an-overview-https-cutt-ly-uryc5rw7