Bip39 Standard. Now, at another degree we use these receiving and alter key bunch to make individual private keys. Use the above mentioned deliver personal keys and chain code and pass them to the above mentioned talked about purpose kchild = kpar + hash(Kpar, cpar, i) to produce unique keys. https://my-social-box.com/story4153407/bip39-list-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled