Bip39 Npm. Now, at the following level we use these receiving and alter vital bunch to produce individual private keys. Use the above mentioned deliver personal keys and chain code and move them to the above mentioned stated functionality kchild = kpar + hash(Kpar, cpar, i) to make specific keys. https://sociallweb.com/story4844874/ian-coleman-bip39-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work