Bip39 Seed. Now, at the following degree we use these acquiring and alter critical bunch to create unique non-public keys. Use the above crank out private keys and chain code and move them to the above described perform kchild = kpar + hash(Kpar, cpar, i) to make particular person keys. https://thekiwisocial.com/story4810550/bip-39-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean