A Reputation-Based Approach Using Consortium Blockchain for Cyber Threat Intelligence Sharing

Table 1

Comparisons between two types of consensus algorithm in blockchain.

Criteria	Crash fault tolerance	Byzantine fault tolerance
The basis of agreement	Mostly are voting-based	Mostly are proof-based
Decentralization	Low	Mostly high
The way of nodes management	Join network need to be authorized	Join network freely
Award	Mostly no	Yes
Security	Mostly lower	Mostly higher
Speed	Fast	Low