# 5. Implementation Details

**5.1 Setting Up the Fabric Network**

1. **Prerequisites**: Docker, Docker Compose, Go, Node.js.
2. **Network Configuration**: Define the network topology, including peers and orderers in a YAML file.
3. **Chaincode Development**: Write chaincode in Go or Node.js to implement business logic.
4. **Deployment**: Use the Hyperledger Fabric CLI or SDK to deploy the network and chaincode.

**5.2 Smart Contract Design**

* **Data Structures**: Define structures representing assets or entities.
* **Functions**: Implement functions for creating, updating, and querying data.
* **Access Control**: Implement access control to restrict certain operations based on user roles.


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