Bip39 Checksum. Now, at another degree we use these receiving and change key bunch to make person non-public keys. Use the above mentioned deliver personal keys and chain code and go them to the above mentioned mentioned purpose kchild = kpar + hash(Kpar, cpar, i) to generate particular person keys. https://madbookmarks.com/story18736180/bip39-word-list-pdf-https-linktr-ee-bip39-5-essential-elements-for-bip39-word-list