Approach Features | Patient Controls Access to his EMRs | Anonymous Healthcare Service | EMR-Availability | EMR-Confidentiality | EMR-Integrity | EMR-Access Control Delegation | EMR-Zero-Knowledge Proof | EMR-Selective Disclosure | EMR-Anti-Correlation | EMR-Ownership Proof | EMR-Revocation |
Indy EMRs | ü | ü | ++ | ++ | ++ | ü | ü | ü | ü | ü | ü |
• means that the proposed approach has the corresponding feature. • An empty case means that the proposed approach hasn’t the corresponding feature. • +++: high ++: medium +: low. |