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Comparative analysis of proposed framework with related works.
| Method | Blockchain Platform | Authentication | Access Control | Authorization | Scalability | Smart Contract | Off-Chain Storage |
|---|---|---|---|---|---|---|---|
| [54] | Bitcoin | ✓ | ✓ | ✓ | ✓ | ✕ | ✕ |
| [55] | Multi Platform | ✓ | ✓ | ✓ | ✕ | ✕ | ✕ |
| [56] | Hyperledger Fabric | ✓ | ✓ | ✓ | ✕ | ✓ | ✕ |
| [57] | Ethereum | ✓ | ✓ | ✓ | ✕ | ✕ | ✕ |
| [58] | Multi Platform | ✓ | ✓ | ✓ | ✓ | ✕ | ✕ |
| Proposed Method | Ethereum | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
