Technologies
to be used :

Methodology
and Process

Blockchain : Hyperledger Fabric / Ethereum

Backend : Node.js / Python APIs

Frontend : Web + Mobile App (Flutter/React)

IoT Device: NFC/QR scanner with GSM/Wi-Fi for data upload

Data Sources: Farmers, transporters, warehouses, retailers

Process Flow: Harvest → Tag → Scan Device → Blockchain Upload → Retailer → Consumer Scan

Blockchain ledger for records

Lo T/QR data collection

Smart contracts for automation

Consumer verification via scan

Farmer registration

Harvesting & quality check

Processing & packaging (QR code)

Transport & storage tracking