With traditional art, when you buy a painting you have the ability to control who else sees and enjoys it. But when the art goes online or becomes digital art, it lives mostly on the internet, it’s difficult to prevent others from screen-shotting or downloading the art file to view and enjoy for themselves.
So when you convert your artwork into NFT, the artwork is the token. still, the artworks can be screenshotted downloaded, or printed but the owner can be easily traced back. so when you convert your artwork into NFT, you are actually making the ownership rights easily transferable through blockchain.