vicistar-star/CommodiChain

A fully functional blockchain platform for issuing, transferring, and verifying tamper-proof ownership certificates for physical commodities using NFTs on Stellar network. Transforming commodity trading across Africa and globally. # 🏅 CommodiChain — NFT-Based Proof of Ownership for Physical Commodities on Stellar > A decentralized platform for issuing, transferring, and verifying tamper-proof ownership certificates for physical commodities using NFTs on the Stellar blockchain. --- ## 📌 Table of Contents - Overview - Problem Statement - Solution - How It Works - Tech Stack - Architecture - Smart Contract / Stellar Asset Design - NFT Metadata Standard - Project Structure - Getting Started - Environment Variables - API Reference - Use Cases - Roadmap - Contributing - License --- ## Overview **CommodiChain** is a blockchain-based proof-of-ownership system built on the Stellar network. It enables producers, traders, and buyers of physical commodities — gold, crude oil, cocoa, sesame, and more — to mint unique NFTs that serve as verifiable, transferable, and fraud-resistant ownership certificates. Each NFT is tied to a real-world commodity batch and contains metadata such as weight, origin, custodian details, and inspection records. Ownership transfer happens on-chain, eliminating paper-based certificates and reducing fraud. ### 🌟 Project Maturity **Status**: 85% Complete | **Fully Functional** | **Open Source** CommodiChain is now fully functional with comprehensive blockchain integration, smart contracts, and automated build systems. The platform supports both traditional Stellar assets and advanced Soroban smart contracts for enhanced functionality. --- ## Problem Statement In Nigeria and across Africa, physical commodity markets are plagued by: - 📄 **Paper-based certificates** that are easily forged or lost - 🔁 **Ownership disputes** due to lack of transparent transfer records - 🌍 **Limited cross-border verifiability** — foreign buyers can't easily verify ownership - 🏦 **Exclusion from financing** — banks won't lend against assets they can't verify - ⛓️ **No audit trail** — no history of who owned a commodity and when --- ## Solution CommodiChain assigns a **unique NFT on Stel …