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Non-Fungible Tokens, otherwise known as NFTs, have become the craze of internet users. They are unique, provably scarce, digital assets powered by blockchain technology. The easiest way to understand what NFT is is to have a grasp of what economists refer to as fungibility. NFT tokens are digital assets like images, audio & videos and all things that can be rendered online. They can't be EXACTLY exchanged for another that looks like them. The uniqueness of an NFT can only be achieved through blockchain technology like smart contracts.