Bip39 Seed. Now, at another degree we use these acquiring and alter key bunch to produce unique private keys. Use the above mentioned create personal keys and chain code and pass them to the above mentioned talked about purpose kchild = kpar + hash(Kpar, cpar, i) to create individual keys. https://bookmarksoflife.com/story4247192/bip39-mnemonic-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39