| Based on the rapid development of Internet technology,a large amount of information in today’s society is stored in digital form,and digital works are showing explosive growth.However,due to the convenient transmission and easy copying of digital content,infringements of digital works have occurred repeatedly,and a large amount of digital content It has been infringed and used without the authorization of the original author.It is urgent to study copyright protection technology of digital content.As an important part of the current digital content market,digital music should be paid attention to its copyright protection.The direct way to protect the copyright of digital music is to confirm the rights of digital music works.However,the traditional system for confirming digital music copyright has a series of problems such as vulnerability to attack,long period of confirmation,and low data storage security.Therefore,this article combines the blockchain technology to address the above problems and proposes a scheme for credible confirmation of music digital copyrights.This scheme has the characteristics of decentralization,data traceability,and data cannot be tampered with,which makes the protection of digital music copyrights more important.Transparency increases the storage security of music copyright information.The main research results of this article are as follows:(1)Research on the consensus problem existing in the combination of digital music copyright management system and blockchain technology.This topic combines the idea of DPOS consensus algorithm to improve the PBFT consensus algorithm,and selects some nodes from the blockchain network nodes to participate in the consensus.In addition,the evaluation of node activity is added,and the DPBFT consensus algorithm is proposed.The DPBFT consensus algorithm divides the nodes in the blockchain network into consensus nodes,verification nodes and ordinary nodes.The system will periodically sort the activity values of the nodes in the network,and select nodes with high activity values to participate in the consensus process.This improves the dynamics of nodes in the network,and at the same time,the evaluation of the activity value reduces the probability of malicious nodes being selected as consensus nodes,improves the operating efficiency of the system,and has a greater throughput than the traditional PBFT algorithm.(2)According to the proposed DPBFT consensus algorithm,the system needs to be analyzed and finally a blockchain-based digital music copyright management system is designed and implemented.Users can register and trade digital music copyrights in this system,which realizes copyright and the secure storage of transactions. |