ORLANDO, Fla. — For centuries, collectible art has come in the form of canvases and prints that can range from hundreds of dollars to hundreds of millions of dollars, pieces that might live in a museum or on the walls of someone’s home. The most valuable of these — pieces by the likes of da Vinci, Paul Gauguin, Jackson Pollock, Rembrandt, Picasso and van Gogh — have fetched prices as high as $450 million. But now the world of art collecting has a new disrupter that’s making waves in the digital world — NFTs. These “non-fungible tokens” exist on the blockchain alongside the cryptocurrency neede…