Research Article
Time-Enabled and Verifiable Secure Search for Blockchain-Empowered Electronic Health Record Sharing in IoT
Table 3
Communication overhead of the proposed protocol.
| Stage | The proposed | Chen et al. [23] | Xu et al. [41] |
| Data storage | | | — | Data broadcast | | | | Search | | | | Data verification | | — | — | Data access | | | — |
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