Lightweight blockchain consensus mechanism and storage optimization for resource-constrained IoT devices

作者：

Highlights：

• Lightweight blockchain consensus mechanism and storage optimization for resource-constrained IoT devices are proposed.

• In order to achieve lightweight blockchain, an improved PBFT blockchain consensus mechanism based on reward and punishment strategy is proposed.

• In order to reduce the storage consumption, a blockchain storage optimization scheme based on RS erasure code is proposed.

• Experimental results show that the strategies can reduce the delay of the consensus, lower the communication resources, and reduce the cost of blockchain storage.

摘要

•Lightweight blockchain consensus mechanism and storage optimization for resource-constrained IoT devices are proposed.•In order to achieve lightweight blockchain, an improved PBFT blockchain consensus mechanism based on reward and punishment strategy is proposed.•In order to reduce the storage consumption, a blockchain storage optimization scheme based on RS erasure code is proposed.•Experimental results show that the strategies can reduce the delay of the consensus, lower the communication resources, and reduce the cost of blockchain storage.

论文关键词：Resource-constrained devices,Lightweight blockchain,Consensus mechanism,Block storage,RS erasure code

论文评审过程：Received 19 September 2020, Revised 21 March 2021, Accepted 28 March 2021, Available online 7 April 2021, Version of Record 7 April 2021.

论文官网地址：https://doi.org/10.1016/j.ipm.2021.102602