Bip39 Passphrase. Now, at the next degree we use these getting and change crucial bunch to produce person private keys. Use the above mentioned create personal keys and chain code and go them to the above mentioned outlined purpose kchild = kpar + hash(Kpar, cpar, i) to generate individual keys. https://sitesrow.com/story8951737/bip39-words-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39