Bip39 Checksum. Now, at the next level we use these obtaining and change critical bunch to produce unique non-public keys. Use the above deliver private keys and chain code and go them to the above mentioned talked about function kchild = kpar + hash(Kpar, cpar, i) to deliver specific keys. https://monobookmarks.com/story18551489/bip39-mnemonic-https-linktr-ee-bip39-top-latest-five-bip39-generator-urban-news