There are more than 1,000 masterpieces by 50 of the best Western painters from the late 14th to the mid-20th century in VXLmasterpiece, an NFT art project that is kept on Polygon's network in the OpenSea Marketplace. Each work and author's rarity is tied to its creative, historical, and popular significance. Additionally, each NFT comes with three extra files: (.GBL) for use in augmented reality apps, galleries, and Metaverses; (.GLTF) for use in Unreal; and (.VOX) for use on the walls and faces of The Sandbox Metaverse.