It's not required to know all the details of BIP39 so that you can use copyright - however, you would certainly take advantage of figuring out just a little over it. This information clarifies BIP39, the standard that defines how seed phrases are created, and summarizes how BIP32 and BIP44 https://atozbookmark.com/story18905238/5-simple-techniques-for-bip39-word-list-pdf