Abstract
In recent years, the total number of digital media works issued has continued to increase. Due to the easy copying and dissemination of digital copyright works, digital copyright infringement has become increasingly serious. Because of the security, traceability, distribution, and programmable features of blockchain technology fully meet the needs of copyright protection, research on copyright protection based on blockchain technology has gradually become a popular research direction for many scholars. This article introduces the principles, characteristics and classification of blockchain technology in detail. It also deeply analyzes the research status, key technologies and research difficulties of copyright protection technology. In addition, this article has conducted a detailed study on the copyright protection technology based on the blockchain, and implemented a safe, efficient, and lightweight copyright protection system based on the alliance chain.
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