Table 48 Choice of blockchain type.
From: A hybrid deep learning model for detection and mitigation of DDoS attacks in VANETs
Criteria | Permissioned blockchain | Permissionless blockchain |
|---|---|---|
Consensus delay | Low (< 300 ms with PBFT/Raft) | High (10–60 s with PoW) |
Energy consumption | Low | High |
Scalability | Moderate to High | Low to Moderate |
Access control | Restricted (authorized RSUs & OBUs) | Open to all nodes |
Suitability for VANET | Suitable for real-time use | High latency not acceptable |
