Bip39 Words. Now, at the next level we use these acquiring and change vital bunch to make person personal keys. Use the above mentioned produce private keys and chain code and go them to the above mentioned described purpose kchild = kpar + hash(Kpar, cpar, i) to produce specific keys. https://directmysocial.com/story3307435/bip39-mnemonic-https-linktr-ee-bip39-top-guidelines-of-bip39-words