Bip39 Online. Now, at the following level we use these acquiring and change key bunch to make specific personal keys. Use the above mentioned deliver non-public keys and chain code and go them to the above pointed out operate kchild = kpar + hash(Kpar, cpar, i) to generate person keys. https://getidealist.com/story20512380/bip-39-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled