Bip39 Ian Coleman. Now, at another degree we use these getting and alter important bunch to crank out person non-public keys. Use the above crank out private keys and chain code and go them to the above outlined purpose kchild = kpar + hash(Kpar, cpar, i) to create individual keys. https://macrobookmarks.com/story18994394/bip39-wallets-https-linktr-ee-bip39-bip39-generator-an-overview