A Blockchain-Based Privacy-Preserving Publish-Subscribe Model in IoT Multidomain Data Sharing

Table 1

The comparison with other schemes.

Scheme	Confidentiality	Decentralized	Privacy	Fine-grained access	Against collusion attack	Against spoofing attacks
Duan et al. [22]	✓	—	✓	✓	✓	✓
Yang et al. [23]	✓	—	✓	✓	—	—
Wang et al. [24]	✓	—	✓	—	✓	—
Diro et al. and Diro et al. [25, 26]	✓	—	✓	—	—	—
Borcea et al. [27]	✓	—	✓	—	—	—
Zhao et al. [28]	✓	✓	✓	—	✓	✓
Lv et al. [29]	✓	✓	✓	—	—	✓
Tariq et al. [30]	✓	✓	—	—	—	—
Our scheme	✓	✓	✓	✓	✓	✓