Bip39 Standard. Now, at another level we use these getting and change critical bunch to deliver particular person private keys. Use the above mentioned generate non-public keys and chain code and move them to the above mentioned described function kchild = kpar + hash(Kpar, cpar, i) to deliver personal keys. https://bookmarkspring.com/story14640719/bip39-word-list-pdf-https-linktr-ee-bip39-5-easy-facts-about-bip39-generator-described