It might be covered in one of the resources, but when people talk about NFTs, they just mean some token on Ethereum that the issuer of said coin say is "the" product. For instance, the NFT for "the first tweet" that sold is just someone created an Ethereum token and said "this one is the first tweet", presumably w/ some text in the token that states the tweet. In that regard, its kind of centralized. There can be mul…
The confusion comes from how NFTs that represent images have become so popular right now (I believe it’s because it’s the easiest use case of an NFT and people want to make a quick buck). NFTs themselves are just a cryptographic representation of something unique. It can be a token that says “you own this image”, but it can also be an in-game virtual item, a software license, a digital trading card, etc... There is s…
EDIT even something like a domain name - which is arguably a better example as only one of such a thing can actually exist in that only one owner can derive the value from it.