摘要： 为解决数字作品在互联网生态下存在的知识产权登记困难、盗版猖獗和产权交易混乱等问题，在改进的PBFT算法基础上，构造一种区块链知识产权保护模型。提出基于信用的改进PBFT共识机制，实现高效、低耗和可扩展的知识产权保护方式。设计知识产权登记和转让智能合约，利用自动化执行预置机制保证模型的高效性和透明性。实验结果表明，该模型可减少节点间的通信开销，增加主节点的诚实性概率，且具有更强的鲁棒性。

关键词: 区块链, 知识作品, 产权保护, 共识机制, 智能合约

Abstract: In order to solve the problems faced by digital works on Internet,such as the difficulty of intellectual property registration,rampant piracy and confusion of property right transactions,this paper constructs an intellectual property protection model using blockchain based on the improved PBFT algorithm.The model proposes an improved PBFT consensus mechanism based on credit,which can realize efficient,low-cost and scalable intellectual property protection.The smart contracts are designed for intellectual property registration and transfer,and the automatically executed preset mechanism is used to ensure the efficiency and transparency of the model.The experimental results show that the proposed model reduces the communication overhead between nodes,increases the honesty probability of the master node,and has stronger robustness.

Key words: blockchain, intellectual works, property protection, consensus mechanism, smart contract

中图分类号: 

• TP311.13