MPoR: A Modified Consensus for Blockchain-Based Internet of Vehicles

Table 1

Summarize of related works.

Reference	Consensus	Incentives	Performance optimization	Security optimization
[19]	PoW	—	—	Location privacy
[12]	PoD	—	Scalability	Expect collusive attack
[13]	PoT	Travel distance	—	Several kinds of attacks
[20]	PoW+PoS	Reputation	—	User privacy
[21]	PoW	Reputation	Efficiency	—
[22]	DPoS	Reputation	—	1/3 malicious nodes
[23]	PBFT	—	—	External attack
Our study	MPoR+PBFT	Multiweight reputation	Scalability, latency	Several kinds of attacks