Bip39 Checksum. Now, at another degree we use these obtaining and change critical bunch to create particular person private keys. Use the above mentioned create personal keys and chain code and go them to the above pointed out purpose kchild = kpar + hash(Kpar, cpar, i) to deliver specific keys. https://yesbookmarks.com/story19614368/bip-39-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean