Bip39 Mnemonic. Now, at another degree we use these receiving and change key bunch to generate specific personal keys. Use the above mentioned create non-public keys and chain code and pass them to the above described purpose kchild = kpar + hash(Kpar, cpar, i) to deliver specific keys. Just about https://nimmansocial.com/story8445087/bip39-wallet-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy