Bip39 specification https://squareblogs.net/edelinepge/using-python-to-produce-a-bip39-mnemonic-a-developers-point-of-view Though it works by using BIP32 system you'll be able to however import BIP39 seeds into Electrum wallet. Also besides BIp32 You can find BIP44 Edition which some wallet use for your generation of seeds. BIP32 and BIP44 perform with each other to add flexibility, p... https://adsbookmark.com/story20072318/bip39-last-word-checksum-bip39-github-an-overview-https-cutt-ly-uryc5rw7