If you create a poem as an NFT before revealing it anywhere else, you should be able to prove authorship via the timestamp in the blockchain, which should make plagiarism of the poem untenable. Source : episode 50 of The Poetry Space.
In my previous article I wrote about considerations literary authors may want to take into account when minting the same piece of work multiple times on different blockchains:
An often stated âruleâ in the NFT space is that NFTs should not be minted multiple times across different blockchains. One reason given is that doing so would result in different histories of ownership for the NFT :