NFTs could become gamechangers, in the literal meaning of the word. The project Enjin for instances focuses on NFTs in the gaming world. One selling point is, that you might be able to collect items in one game and transfer it to another. Collect a rare trophy in Fortnite and show it off in your Steam VR Home, the trophies uniqueness and legitimacy verifiable by everyone. Of course, achieving this is easier said than done, but an appealing vision for the future of gaming.
Also, it has historically been difficult for digital artists to get paid well, considering that copying their work is easy. I'm all for changing that. Yes, the image can still be copied, but ownership is it's own thing and some people are willing to pay for it.