"More than 6500 high-definition digital resource files from Mogao Grottoes and other cave sites and Dunhuang scripture cave documents are open to the world through the material library, creating a one-stop Dunhuang culture sharing platform for scholars, cultural lovers and art creators, and realizing the safe and efficient flow of cultural resources." Recently, under the guidance of the "Internet plus Chinese Civilization" action plan of the State Administration of Cultural Heritage, The world's first blockchain based digital cultural heritage open sharing platform "Digital Dunhuang · Open Material Library" jointly built by Dunhuang Research Institute and Tencent Group was officially launched, providing the public with another "open way" of Dunhuang culture. Dunhuang Grottoes are a treasure house of culture and art that combines architectural art, painted sculpture art and mural art. With powerful historical deposits, profound cultural connotation and beautiful artistic images, they are outstanding representatives of Chinese excellent traditional culture and a bright pearl in the long river of world civilization. Su Bomin, president of the Dunhuang Research Institute for the exploration of a new digital model of cultural heritage, said: "Since the 1990s, the Dunhuang Research Institute has begun the exploration and practice of 'digital Dunhuang', using computer technology and digital image technology to achieve the permanent preservation and sustainable use of the Dunhuang Grottoes." At present, the Dunhuang Research Institute has formed a large number of digital resources such as digital photography collection, three-dimensional reconstruction of caves, and cave panorama roaming programs, These resources have become a valuable source of cultural redevelopment and artistic re creation in the digital era. Su Bomin said that the development of new technologies such as artificial intelligence, big data and blockchain is in the ascendant, which has injected more powerful development momentum into the cultural heritage cause and provided a broader development space. In June this year, the Dunhuang Research Institute and Tencent Group jointly established the "Digital Dunhuang × Tencent Mutual Entertainment Cultural Heritage Digital Creative Technology Joint Laboratory aims to promote the deep integration of culture and technology, and explore a new mode of digital innovation and creativity of cultural heritage. Li Hang, vice president of marketing and public relations of Tencent Group, said that there has always been a demand for compliant and efficient sharing of digital resources in the cultural and museum industry, which is also the key to making cultural relics "live". In particular, the 14th Five Year Cultural Development Plan issued by the General Office of the CPC Central Committee and the General Office of the State Council this year proposed to encourage the construction of a copyright protection platform based on blockchain technology. This is a highly difficult and complex project, which requires a variety of technical capabilities. The strategic cooperation between Tencent and Dunhuang Research Institute has gone through five years, and the two sides have made many attempts to use digital technology to help Dunhuang digitization. To realize the sustainable development of cultural relics digital resources, Li Hang introduced that the material library includes more than 6500 high-definition digital resource archives from Mogao Grottoes and other grotto sites and Dunhuang Sutra Cave documents. In addition to browsing, users can also download and use different specifications by selecting the purpose. At the same time, the material library also opened the "co creation" module. The creators can download the digital resources of the material library for secondary creation. After the secondary creation, it is uploaded to the platform. After the review and confirmation of the Dunhuang Research Institute, it becomes the digital resources of "Digital Dunhuang · Open Material Library" and is open to external authorization. With the gradual enrichment and improvement of the content of the material library and the authorization scenario, in the future, the material library can also explore more types of commercial cooperation, so that