At present, the digital collection sold by "Baidu Network Disk Chaoyun Digital Collection Platform" is an application form of NFT. Digital collection is a kind of digital assets. Music, tickets, paintings, photos, GIF animations, facial expressions and so on can all be made into digital collections. If you are interested, you can go to Baidu Network Disk APP. Their Chaoyun digital collection platform is supported by "Baidu Hyperlink" and blockchain technology. Baidu network disk is developed and operated based on blockchain technology, involving digital collection and release, information display and transaction. The platform meets the needs of users for digital collection, appreciation and sharing, and is committed to the promotion of digital art and traditional culture. Dingding Zhongyuan Series Digital Collection, Mengmiao Travel Series Digital Collection and Dunhuang Series Digital Collection sold on the platform are not only of great ornamental value, but also of far-reaching historical significance, which has aroused great concern.