Research Article
B-SSMD: A Fine-Grained Secure Sharing Scheme of Medical Data Based on Blockchain
| | Scheme | Liu et al. [21] | Cao et al. [32] | Malamas et al. [34] | Lee et al. [22] | Proposed scheme |
| | Resistance to single-point failure | × | × | × | √ | √ | | Resistance to impersonation | × | × | √ | √ | √ | | Resistance to replay attacks | × | × | × | √ | √ | | Resistance to malicious tampering | √ | √ | √ | √ | √ | | User group members update | × | × | × | × | √ |
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