Bip39 Wallet. Now, at the next level we use these getting and alter critical bunch to produce individual non-public keys. Use the above mentioned produce private keys and chain code and go them to the above mentioned stated operate kchild = kpar + hash(Kpar, cpar, i) to generate specific keys. https://bookmarkingalpha.com/story18817307/bip39-https-linktr-ee-bip39-the-best-side-of-bip39