Bip39 Checksum. use the joined words being a mnemonic sentence. The subsequent table describes the relation amongst the Original entropy The entropy we create have to be a many of 32 bits, as which allows us to separate the entropy up in to even chunks when changing to words afterwards. https://webdirectorytalk.com/listings592029/bip39-word-list-numbers-https-linktr-ee-bip39-the-5-second-trick-for-bip39-seed-generator