Bip39 Wallet. Now, at the subsequent stage we use these acquiring and change key bunch to crank out personal private keys. Use the above crank out private keys and chain code and go them to the above outlined operate kchild = kpar + hash(Kpar, cpar, i) to create individual keys. https://artybookmarks.com/story19158774/bip39-wallet-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39