Digital artist Beeple's Everydays: The First 5000 Days sold for a record $69.3 million and is the first purely digital work to be sold by a major auction house. Courtesy of Christie's
Digital artist Beeple's Everydays: The First 5000 Days sold for a record $69.3 million and is the first purely digital work to be sold by a major auction house. Courtesy of Christie's

NFTs explained: Why digital art, videos and tweets are selling for millions