Bip39 last word checksum https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts Although it uses BIP32 strategy it is possible to continue to import BIP39 seeds into Electrum wallet. Also besides BIp32 There is certainly BIP44 Model which some wallet use to the technology of seeds. The BIP39 word list is a set of 2,048 meticulously pre... https://bookmarkleader.com/story20487403/bip39-dice-bip39-passphrase-generator-options-https-linktr-ee-bip39