Bip39 Seed. Now, at the subsequent degree we use these receiving and change key bunch to make individual non-public keys. Use the above create non-public keys and chain code and go them to the above mentioned talked about operate kchild = kpar + hash(Kpar, cpar, i) to create specific keys. https://socialmediastore.net/story20076546/bip39-generator-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained