Bip39 Seed. Now, at the following amount we use these getting and change vital bunch to create individual personal keys. Use the above mentioned deliver private keys and chain code and pass them to the above mentioned described function kchild = kpar + hash(Kpar, cpar, i) to generate person keys. https://socialmediainuk.com/story20080233/bip39-generator-https-linktr-ee-bip39-bip39-generator-an-overview