Bip39 Ian Coleman. Now, at the next degree we use these receiving and alter key bunch to make personal personal keys. Use the above mentioned generate non-public keys and chain code and pass them to the above described purpose kchild = kpar + hash(Kpar, cpar, i) to generate person keys. https://bookmarkinglive.com/story19852605/bip39-words-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work