CMV: People being able to save a copy of an NFT picture does not take value away from the NFT.

despite most NFTs minted today being useless and meant only to scam money out of people, the usefulness of unique Non Fungible Tokens on decentralized blockchains is still worth exploring and experimenting with

A major issue is that the decentralised nature of NFTs and immutability of transactions makes it attractive to use NFTs to scam money out of people.

The ability to sell a work of art, requires you to first own it. Consider a well-known work like the Mona Lisa. There's an NFT for it. Obviously the Louvre isn't selling it. Whoever is selling it, is making money off art they don't own. Now owning this NFT just means that at some point you paid money to buy a token that says you own a copy of it. It is not ownership of the Mona Lisa.

Now how can a decentralised network confirm if somebody owns a work of art? How does it know who created that art in the first place? That needs a central authority to confirm it based on copyright law.

The pictures that get attached to the NFTs are like a logo, they represent the NFT but it is not what the NFT is and it is not what gives the NFT value

That begs the question of what gives the NFT any value then. If the work of art itself isn't giving it value, then the value can only be given to it by the underlying algorithm that produced the NFT, which is a common algorithm and therefore all NFTs should have the same value.

As an analogy, I can trade shares of AAPL, yet each share is undifferentiated from each other, and the price is driven by the performance of the company, or any other news about it.

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