Fast Policy Interpretation and Dynamic Conflict Resolution for Blockchain-Based IoT System

Table 1

Common BC-IoT security attacks and the countermeasures based on log-based policy.

Security threats	Mode	Condition	Action
Node capture attack	Single
Sleep deprivation	Single
Flooding attack	Loop
Blackhole attack	Iteration
Malicious injection	Single
Homing attack	Loop
Eavesdropping	Iteration
Password attack	Loop
Hardware bugs	Single