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Table 1 Performance comparison of consensus algorithms

From: Blockchain-based IoT device identification and management in 5G smart grid

 

PoW

PoS

DPoS

PBFT

Applicable Form

public

public

public

consortium

Degree of decentralization

complete

complete

complete

incomplete

Accounting nodes

Whole network

Whole network

Elect

Dynamic decision

Response time

10 min

1 min

3 s

1 s

Throughput capacity

7TPS(Bitcoin)

 

Above 300TPS

Above 1000TPS

Fault tolerance rate

49%

49%

10/21

33%(m/3 m + 1)