NFTs are Non-Fungible Tokens and they are exactly what they sound like.
Now, what is meant by Fungible? Anything which can be replaced by another identical item and still have the exact same value is known as a fungible asset. A perfect example of this would be currency notes, all $10 notes will be having the same value no matter who owns it or which "serial number" it belongs to.
A non-fungible asset is something that has a unique property attached to it and cannot be interchanged with something similar of the same value. Pokemon trading cards are a perfect example of non-fungible assets - they are unique, have different characteristics and no card can have the exact same value.
NFTs can be anything, it all depends on your imagination. Digital artwork like images, audio, video and, virtual land have been converted into NFTs.
Many people buy NFTs, for different reasons.
NFT marketplaces are platforms where creators can sell their NFTs to investors.
Some of the most famous NFT marketplaces are: