Bip39 derivation http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf Despite the fact that it works by using BIP32 technique it is possible to nevertheless import BIP39 seeds into Electrum wallet. Also apart from BIp32 There's BIP44 Model which some wallet use with the generation of seeds. As opposed to standard wallets derived solely from a seed https://hypebookmarking.com/story19954389/bip39-last-word-checksum-new-step-by-step-map-for-bip39-github-https-cutt-ly-uryc5rw7