A picture sold as NFT is akin a football ball signed by Ronaldo, it derives its value from 1) fame 2) scarcity. A ball is a cheap and easily replicated object, but with a signature on it, it becomes valuable.
NFT offers several advantages in this respect.
1) Ronaldo's identity is verified by the NFT site, and blockchain ensures authenticity for eternity. Let's remember, how many famous pieces of art turned out to be fakes. Can't happen with NFT. And no need to pay astronomical amounts to art experts for that.
2) Ronaldo must promise that he will sign only a limited amount of digital balls. Yes, the buyers should just trust Ronaldo on this, but Ronaldo has an incentive to keep his promise, because NFT contracts usually include "royalties": every time in the future, when the digital ball is resold, original issuer receives 10-20% of the price increase. So he is interested in objects retaining value.
NFT offers several advantages in this respect.
1) Ronaldo's identity is verified by the NFT site, and blockchain ensures authenticity for eternity. Let's remember, how many famous pieces of art turned out to be fakes. Can't happen with NFT. And no need to pay astronomical amounts to art experts for that.
2) Ronaldo must promise that he will sign only a limited amount of digital balls. Yes, the buyers should just trust Ronaldo on this, but Ronaldo has an incentive to keep his promise, because NFT contracts usually include "royalties": every time in the future, when the digital ball is resold, original issuer receives 10-20% of the price increase. So he is interested in objects retaining value.