It is not necessary to know all the details of BIP39 so as to use copyright - however, you will surely take pleasure in knowing a bit about it. This post explains BIP39, the standard that defines how seed phrases are created, and summarizes how BIP32 and BIP44 standards allow https://userbookmark.com/story18766314/helping-the-others-realize-the-advantages-of-bip39-seed-phrase-mnemonics-generator