Traceability from Production to End Users with QR + Blockchain
The supply chain is no longer just about logistics; it has become a data chain. Combining QR codes and blockchain makes the product journey from production to end user traceable, verifiable and…
Supply chain and blockchain traceability • 2025
The supply chain is no longer just about logistics; it has become a data chain. Combining QR codes and blockchain makes the product journey from production to end user traceable, verifiable and immutable.
B10 Digital Agency • 2025 • Reading time: approximately 6 minutes
1. QR + Blockchain: Two Technologies, One Chain of Reality
A QR code links a physical product to digital data, while blockchain stores those data immutably. Each product gains a digital passport through a QR identity and blockchain record.
- A QR identity is created for each product at the production point
- Scanning the QR code queries its blockchain record
- Data: manufacturer, production date, batch number, test certificate and shipping information
“QR codes are visible and blockchain is invisible; together they make trust tangible.”
2. System workflow: the product’s digital journey
- Production: The factory system creates the QR identity and writes the first blockchain record.
- Logistics: Each shipping, storage and customs transaction is added to the chain as a block.
- Retail: The shop or e-commerce outlet checks the QR identity when selling the product.
- Consumer: The end user scans the QR code to see the product’s origin, certificate and production story.
3. Blockchain layers
| Layer | Function | Technology |
|---|---|---|
| Data layer | Product and process data: batch, lot, location and timestamp | Hyperledger / Polygon / Avalanche |
| Connection layer | Accessing data through QR or NFC | Dynamic QR + API |
| Verification layer | Signing each transaction and adding it to the chain | Smart Contract (ERC-721 / ERC-1155) |
| User layer | Consumer interface for querying product history | Web or mobile dashboard |
4. Benefits: transparency and trust
- Immutable records: All data are held immutably on the blockchain.
- Counterfeit prevention: Each QR code corresponds to only one valid blockchain identity.
- Supply chain efficiency: Manufacturers, distributors and retailers synchronise on the same chain.
- Consumer trust: Every product tells its own story.
“Products now speak: QR codes tell the story and blockchain provides the evidence.”
5. Applications
- Food: Farm-to-table traceability
- Fashion: Authenticity checks and luxury product counterfeit prevention
- Cosmetics: Tracking formulas, production lots and test certificates
- Healthcare: Verifying medical device and medicine safety
6. 2025 trends: smart QR codes and dynamic data
Next-generation QR systems now provide dynamic data connections rather than static ones. Each scan is recorded as a new blockchain event, extending the product lifecycle.
- Dynamic QR: smart codes that can update data after scanning
- AI risk alerts detect suspicious scanning behaviour
- IoT-supported records provide automated verification in the logistics chain
Make your brand’s supply chain visible and trustworthy.
B10 Digital Agency integrates QR and blockchain to combine product traceability and authenticity verification.
Sources and related documents
These documents provide references for the methods and rules discussed in this article.