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Advances, Systems and Applications

Table 2 Comparison of functionality

From: A secure and efficient electronic medical record data sharing scheme based on blockchain and proxy re-encryption

Scheme

Data Integrity

Access control

Scalability

Traceability

Resistance to Collusion Attack

Mani et al. [18]

√

√

√

√

×

Chen et al. [28]

√

√

×

√

√

Egala et al. [39]

√

√

×

√

×

Ours

√

√

√

√

√