Bip39 Github. Now, at the subsequent stage we use these acquiring and change key bunch to create unique private keys. Use the above mentioned produce non-public keys and chain code and pass them to the above pointed out functionality kchild = kpar + hash(Kpar, cpar, i) to make individual keys. https://bookmarkspring.com/story13712709/bip39-wallet-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled