Bip39 Standard. Now, at another stage we use these getting and change essential bunch to create personal private keys. Use the above mentioned make non-public keys and chain code and pass them to the above mentioned pointed out operate kchild = kpar + hash(Kpar, cpar, i) to deliver person keys. https://bookmarkforest.com/story18849706/bip39-passphrase-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list