Bip39 Github. Now, at another level we use these getting and change essential bunch to crank out unique non-public keys. Use the above create personal keys and chain code and move them to the above mentioned described operate kchild = kpar + hash(Kpar, cpar, i) to generate particular person keys. https://socialtechnet.com/story4864278/bip39-mnemonic-https-linktr-ee-bip39-about-ian-coleman-bip39