Bip39 Tool. Now, at the following stage we use these receiving and change critical bunch to produce unique non-public keys. Use the above mentioned make personal keys and chain code and move them to the above talked about function kchild = kpar + hash(Kpar, cpar, i) to create unique keys. https://meshbookmarks.com/story19231437/bip39-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase