wandeoki/AfriTrace

Blockchain-Powered Supply Chain Traceability for African Exports # AfriTrace ## Overview **AfriTrace** is a supply chain traceability platform built to enhance the global competitiveness of African exports. By leveraging technologies like **The Graph**, **Optimism's OP Stack**, and **web3.js**, AfriTrace ensures **transparency**, **authenticity**, and **efficiency** in tracking high-value African products from their origin to the final consumer. It empowers African producers by integrating product tracking, carbon footprint offsetting, and a marketplace for connecting with global buyers. ## Key Features ### 1. Blockchain-Based Product Tracking - End-to-end traceability using smart contracts for immutable records. - Data is recorded at every stage of the supply chain, ensuring transparency and authenticity. ### 2. QR Code Integration for Consumer Transparency - Consumers can scan QR codes to access real-time product information from source to destination. - View certifications, production standards, and carbon footprint details. ### 3. Smart Contract-Powered Automated Payments and Escrow - Automated payments are triggered based on predefined smart contract conditions. - Escrow services to ensure trust, reduce disputes, and ensure fair payment release. ### 4. Carbon Footprint Tracking and Offsetting - Track the environmental impact of transporting goods. - Facilitate carbon offsetting for a sustainable supply chain. ### 5. Marketplace for African Producers - A digital marketplace connecting African producers with global buyers. - Transparent pricing, fair compensation, and reduced middlemen via decentralized processes. ### 6. Settlement in native currencies - Product owners have the option of getting their proceeds in their MPESA/MOMO Wallet to aid financial inclusion ## Technical Implementation ### 1. The Graph Integration - We use **subgraphs** to index supply chain data recorded in smart contracts. - We utilize **GraphQL API** for efficient querying of data like product journeys, certifications, authenticity, and tra …