Non-fungible tokens (NFTs) have exploded in popularity in recent years, with digital artworks selling for millions of dollars at auction. But what exactly are NFTs, and how are they changing the art world? What are NFTs? NFTs are unique digital assets that are stored on a blockchain, which is a decentralized and secure ledger that records transactions. Unlike cryptocurrencies, which are fungible and can be exchanged for one another, NFTs are non-fungible and are unique. Each NFT contains a un...