%A LIU Shuai, GAN Guo-hua, LIU Ming-xi, FANG Yong, WANG Shou-yang %T Multi-subblock Incentive Consensus Mechanism Based on Topology and Distribution Mechanism %0 Journal Article %D 2020 %J Computer Science %R 10.11896/jsjkx.200200027 %P 268-277 %V 47 %N 7 %U {https://www.jsjkx.com/CN/abstract/article_19273.shtml} %8 2020-07-15 %X First of all,this paper proposes an modified consensus mechanism based on the classic PoW (Proof of Work) consensus mechanism by changing the condition of take the miners’ blocks into blockchain and income distribution strategy.To be specific,on the one hand,according to the rule of this modified consensus mechanism,the first generated sub-chain made up of N sub-blocks will be integrated into the main chain,which is different from PoW,the modified consensus mechanism replaces the simple single chain structure of PoW with a more complex network structure;on the other hand,the modified consensus mechanism improves on the revenue distribution strategy of the traditional consensus mechanism,its distribution strategy is divided into three steps in order to improve the expected earnings of miners with low computational power,so as to encourage those miners with low computational power to actively participate in mining and supervise the safety of blockchain.In addition,the network structure introduced by the modified consensus mechanism enables miners to have more strategies of mining.This paper also discusses the influence of selecting different mining strategies,splitting calculation power of malicious miners and collusion on the safety and efficiency of the block chain.Finally,a variety of market scenarios are set up to simulate the improved algorithm so as to analyze the mining benefits of various miners under different market characteristics,which are hoping to guide miners.