Bip39 Seed. Now, at the subsequent degree we use these getting and change key bunch to create unique personal keys. Use the above create non-public keys and chain code and go them to the above mentioned described functionality kchild = kpar + hash(Kpar, cpar, i) to produce particular person keys. https://kbookmarking.com/story19313366/ian-coleman-bip39-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean