Bip39 Seed. Now, at the next stage we use these acquiring and change crucial bunch to create person private keys. Use the above mentioned create personal keys and chain code and go them to the above mentioned described operate kchild = kpar + hash(Kpar, cpar, i) to deliver personal keys. https://socialupme.com/story5022694/ian-coleman-bip39-https-linktr-ee-bip39-the-best-side-of-bip39