Research Article
A Traceable Blockchain-Based Vaccination Record Storage and Sharing System
Table 10
The functionality comparison of previous schemes and the proposed scheme.
| | Scheme functionality | Xu et al. [17] | Liu et al. [22] | Xu et al. [23] | Our scheme |
| | Internet of things (IoTs) | Yes | No | No | No | | Blockchain architecture | No | Yes | Yes | Yes | | Mutual authentication | No | Yes | Yes | Yes | | Data integrity | Yes | Yes | Yes | Yes | | Resistance to replay attack | No | Yes | Yes | Yes | | Resistance to man-in-the-middle attack | No | No | No | Yes | | Nonrepudiation | No | No | Yes | Yes | | Theoretical proof | No | No | No | Yes |
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