It's not necessary to know all the small print of BIP39 so that you can use copyright - however , you would certainly take advantage of knowing just a little about this. This additional complexity improves the risk of misplacing the passphrase, and thus losing your copyright. Since SafePal is https://www.storeboard.com/blogs/beauty-and-fashion/opening-the-globe-of-bip39-a-comprehensive-guide-to-mnemonic-expressions-and-word-checklists/6026188