An in-depth look at the leading art in the NFT industry this year. Here's what you need to know. Non-fungible tokens, or NFTs, have been a hot investment theme the past couple of years.

U.S.-based art collective Kanbas made the largest non-fungible token (NFT) purchase in three years last week, scooping up a 1-of-1 artwork by Sam Spratt for $3 million. The artwork is called "X ...