Bip39 Seed. Now, at the following level we use these getting and alter essential bunch to generate specific non-public keys. Use the above deliver private keys and chain code and move them to the above mentioned pointed out function kchild = kpar + hash(Kpar, cpar, i) to create unique keys. https://madesocials.com/story4082795/bip39-list-https-linktr-ee-bip39-a-review-of-bip39-generator