Bip39 buffer is not defined https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 Though it employs BIP32 strategy you'll be able to nevertheless import BIP39 seeds into Electrum wallet. Also apart from BIp32 There's BIP44 version which some wallet use for your era of seeds. BIP39 solves this by using human-readable seed phrases composed of natu... https://mnobookmarks.com/story20549793/bip39-number-of-words-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7