The ownership and protection of digital content,including the generation,editing,transit,organization and long-term preservation of digital content, must be the fundamental problem of the entire digital content industry. The solution of this fundamental problem could reduce the mutual trust cost of the industry and then promote the whole industry greatly. By means of data analysis,this paper tries to make clear what problems there are in the construction and development of digital resources, and points out that the application of blockchain technology could solve the fundamental problem of the digital content industry. As for libraries,the true value of blockchain is to integrate upstream and downstream industry chains, form a manageable and trustworthy mechanism,and jointly promote the overall digital content industry rapidly.