A Fair Blockchain Based on Proof of Credit
Han X(韩璇)1,2; Yuan Yong1,2; Wang Fei-Yue1,3
发表期刊IEEE Transactions on Computational Social Systems
2019
卷号6期号:5页码:922-931
摘要

Proof of work and proof of stake are commonly used in the current permissionless blockchains. These consensus protocols can be abstracted into a random process of selecting a node for accounting in a blockchain ledger. However, they are generally faced with resource consumption and vulnerability issues. We present PoC, a fair blockchain protocol based on proof of credit blockchain protocol. It is a special proof of stake protocol where the credit is a special kind of stake quantifying whether the nodes activity is beneficial to the system. Any nodes cannot change their credits arbitrarily. We demonstrate that our PoC protocol satisfies the security properties, including common prefix, chain quality and chain growth, under the assumption that the total credit the honest held is majority. Besides, we propose a self-audit mechanism and a hybrid incentive mechanism to enhance the security and stability. Finally, we explain that how the PoC protocol resist the double spending attacks and the selfish mining attacks.

关键词Blockchain proof of stake proof of credit consensus protocol hybrid incentive mechanism
语种英语
七大方向——子方向分类平行管理与控制
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/28341
专题复杂系统管理与控制国家重点实验室_平行智能技术与系统团队
通讯作者Yuan Yong
作者单位1.The State Key Laboratory for Management and Control of Complex Systems, Institute of Automation, Chinese Academy of Sciences
2.Qingdao Academy of Intelligent Industries
3.Research Center of Military Computational Experiments
第一作者单位中国科学院自动化研究所
通讯作者单位中国科学院自动化研究所
推荐引用方式
GB/T 7714
Han X,Yuan Yong,Wang Fei-Yue. A Fair Blockchain Based on Proof of Credit[J]. IEEE Transactions on Computational Social Systems,2019,6(5):922-931.
APA Han X,Yuan Yong,&Wang Fei-Yue.(2019).A Fair Blockchain Based on Proof of Credit.IEEE Transactions on Computational Social Systems,6(5),922-931.
MLA Han X,et al."A Fair Blockchain Based on Proof of Credit".IEEE Transactions on Computational Social Systems 6.5(2019):922-931.
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