Bip39 Vs Slip39. Now, at the next degree we use these receiving and change crucial bunch to make individual private keys. Use the above mentioned create non-public keys and chain code and move them to the above stated functionality kchild = kpar + hash(Kpar, cpar, i) to create personal keys. https://johsocial.com/story9511979/bip-39-https-linktr-ee-bip39-bip-39-no-further-a-mystery