Bip39. Now, at another stage we use these receiving and change vital bunch to crank out specific non-public keys. Use the above crank out personal keys and chain code and move them to the above mentioned described functionality kchild = kpar + hash(Kpar, cpar, i) to crank out person keys. https://travialist.com/story9121867/bip-39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39