Bip39 Vs Slip39. Now, at the next stage we use these receiving and change vital bunch to create unique private keys. Use the above deliver private keys and chain code and go them to the above pointed out function kchild = kpar + hash(Kpar, cpar, i) to make personal keys. https://210list.com/story19231556/ian-coleman-bip39-https-linktr-ee-bip39-bip39-words-an-overview