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Blockchain applications in smart and sustainable agriculture
| Blockchain use cases | Description | Category | Platform |
|---|---|---|---|
| Distribution of egg [52] | Followed by the distribution of eggs from farms to consumers. | Traceability | Hyperledger Sawtooth |
| Brazilian grain export [53] | Assist the producer in Brazil to track grain for global exporters. | Traceability | Hyperledger Fabric |
| Agri Block IoT [54] | Data traceability through IoT sensors | Traceability | Ethereum |
| Intelligent greenhouse [41] | Greenhouse control and plant growth monitoring via user-friendly interfaces | Traceability | Ethereum |
| Smart watering system [42] | Integration of a fuzzy logic decision system with blockchain storage for privacy. | Smart farming | Customized (Java) |
| Our approach | Traceability of agricultural data | Smart farming | Hyperledger Aries And Ethereum |
Comparative Analysis of Ethereum Blockchain and Hyperledger Aries
| Feature | Ethereum | Hyperledger Aries |
|---|---|---|
| Blockchain Type | Public blockchain | Permissioned blockchain framework |
| Main Purpose | Supports smart contracts and decentralized applications (DApps) | Designed for decentralized identity systems and secure data exchanges between decentralized entities |
| Smart Contract Language | Solidity (primarily) | Not specific; depends on the specific application framework |
| Architecture | Based on Proof of Work (PoW) blockchain with migration plans to Ethereum 2.0 Proof of Stake (PoS) | Modular and extensible framework for developing decentralized autonomous agents (DID) and secure message exchanges |
| Consensus Mechanism | PoW, PoS planned in Ethereum 2.0 | Depends on the underlying ledger (including PoW, PoS) |
| Flexibility | Designed for generic decentralized applications | Focused on flexibility for decentralized identity systems and secure data exchanges |
| Confidentiality-ty | Public transactions by default | Ability for private and selective transactions, emphasizing confidentiality and authorization |
| Governance | The decentralized community decides on updates. | Modular governance structure, allowing customization for each specific implementation |
| Typical Use Case | Decentralized applications, smart contracts | Decentralized identity systems, secure data exchanges between decentralized parties |