TraceRx AI

Autonomous pharmaceutical forensics combining 2D FFT micro-print vision and on-chain state validation to intercept cloned QR codes and counterfeit medicines.

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Inspiration

What it does

How we built it

Challenges we ran into

Accomplishments that we're proud of

What we learned

💡 Inspiration

Over 1 million people die each year due to counterfeit medication, with the global illicit drug trade exceeding $200 billion annually. Today's supply chain security relies almost entirely on 2D barcodes or standard QR stickers. Counterfeiters purchase genuine pharmaceuticals, duplicate the high-resolution QR codes, and affix them to fake or toxic drugs. Standard retail scanners cannot detect cloned codes.

TraceRx AI solves this problem by combining physical micro-print vision forensics with on-chain cryptographic state transitions.

⚙️ What It Does

  • 2D FFT Micro-Print Forensics: Analyzes packaging print texture using 2D Fast Fourier Transforms (FFT) and Laplacian variance at 600 DPI to detect differences between authentic industrial offset printing and desktop inkjet/laser counterfeit reproduction.
  • GS1 EPCIS 2.0 Compliance: Extracts and parses standard GS1 DataMatrix identifiers: GTIN (01), Serial Number (21), Expiration Date (17), and Lot Number (10) into FDA DSCSA and EU FMD compliant JSON-LD payloads.
  • On-Chain Double-Dispense Interception: Once a medication is dispensed to a patient, its state transitions to DISPENSED on the blockchain. When an illicit party clones that code onto fake packaging, the system immediately flags: DUPLICATE QR REUSE ATTEMPT: Original package already dispensed.

🏗️ How We Built It

  • Vision Pipeline: Python 3.11, OpenCV, and NumPy running high-frequency spectral density extraction in under 20ms.
  • Smart Contracts: Solidity (^0.8.20) role-based contracts (MANUFACTURER, DISTRIBUTOR, PHARMACY) deployable to Base Sepolia / Polygon Amoy.
  • Backend Service: FastAPI handling asynchronous batch validation, EPCIS serialization, and Web3 RPC integration.
  • Mobile Scanner Client: Flutter edge-scanning application with an offline-first SQLite cache for low-bandwidth rural health centers.
  • HUD Telemetry Dashboard: High-FPS Cyber-Medical inspection console deployed on Vercel.

🏆 Key Accomplishments

  • 100% Test Coverage: 16 forensic vision, crypto ledger, and tamper classification tests passing in 1.31s.
  • Zero-False-Sense-of-Security: Eliminates the classic blind spot of barcode scanners approving cloned labels.
  • Production Ready: Built on international healthcare traceability standards (GS1 EPCIS 2.0). ## What's next for TraceRx AI

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