Bip39 Seed. Now, at the next stage we use these receiving and change essential bunch to deliver unique personal keys. Use the above make private keys and chain code and go them to the above mentioned outlined functionality kchild = kpar + hash(Kpar, cpar, i) to crank out person keys. https://socialeweb.com/story4514884/ian-coleman-bip39-https-linktr-ee-bip39-not-known-details-about-bip39-list