Blockchain 1 Directed acyclic graph (DAG) 1 Directed graphs 1 Distributed ledger 1 Evaluation methods 1 Large dataset 1 Local consistency Network interaction 1 Performance 1 Reputation management 1 Reputation updates 1 Road network 1 Trust establishment 1 Vehicles 1 Vehicular Adhoc Networks (VANETs) 1 Vehicular ad hoc networks 1