A non-fungible token (NFT) is a digital item that can be bought and sold using this blockchain technology. Currently, its widespread notoriety is thanks to digitized art, however, the tokens aren't necessarily images, though: on several websites, such as Decentraland and The Sandbox, you can buy virtual land in NFT form.
Critics say investors are spending money on meaningless items, but supporters insist that NFTs are much more than digital trinkets.
Some predict that using the blockchain to record the ownership history of an item will eventually become much more widespread, revolutionizing how we think about property.
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