Bip39-Standalone. Now, at the following stage we use these getting and alter essential bunch to crank out individual private keys. Use the above make private keys and chain code and pass them to the above pointed out purpose kchild = kpar + hash(Kpar, cpar, i) to create particular person keys. https://baidubookmark.com/story19194666/bip-39-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy