Knowledge Resources What is the function of QR codes or RFID tags in anti-counterfeiting? Secure Your Supply Chain with Digital IDs
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Tech Team · 3515

Updated 1 week ago

What is the function of QR codes or RFID tags in anti-counterfeiting? Secure Your Supply Chain with Digital IDs


QR codes and Radio Frequency Identification (RFID) tags serve as the critical bridge connecting a physical product to its digital identity. When attached to an item, these unique identifiers allow scanning devices to trigger specific queries against a secure digital ledger, instantly retrieving the product’s original specifications and history to prove it is genuine.

By linking a tangible object to a transparent digital record, these tags transform a static product into a verifiable asset. They enable instant cross-referencing against a secure blockchain, making it difficult for counterfeit items to successfully mimic the unique digital footprint of an original.

The Mechanism of Verification

Creating the Digital Bridge

The primary function of these tags is to act as a unique identifier. Just as a passport connects a person to a government database, the QR code or RFID tag connects a physical item to a specific entry on a digital ledger or blockchain.

Triggering the On-Chain Query

The tag does not simply store static text; it initiates an active process. When a user scans the tag, it triggers an on-chain query request.

This request acts as a secure "call" to the blockchain. It asks the ledger to locate the specific record associated with that unique ID, ensuring the data retrieved comes from a trusted, immutable source.

Validating Authenticity Through Data

Retrieving Original Specifications

Once the query is triggered, the system retrieves the original specifications of the product. This allows the user to verify that the physical item in their hand matches the exact description—such as color, model, and manufacturing date—recorded at the source.

Full Lifecycle Traceability

Beyond basic specs, the tags provide access to full lifecycle traceability data. This means the user can see the product's entire journey through the supply chain.

By reviewing this history, an end-user can confirm the item’s current status. If the digital record says the item is still in a warehouse, but the physical item is on a retail shelf, the user immediately knows it is likely a counterfeit.

Understanding the Trade-offs

Dependence on Physical Integrity

While the digital record is immutable, the physical link is vulnerable. If the QR code is scratched or the RFID chip is damaged, the bridge to the digital ledger is broken, rendering the verification system useless for that specific item.

The Scanning Requirement

The effectiveness of this system relies entirely on the availability of scanning devices. Verification is not automatic; it requires an active step by the end-user or supply chain auditor to scan the tag and interpret the data returned by the ledger.

Making the Right Choice for Your Goal

To effectively utilize these technologies, you must align the hardware with your operational objectives:

  • If your primary focus is consumer engagement: Prioritize QR codes, as they allow users to verify products instantly using standard smartphones without specialized equipment.
  • If your primary focus is high-speed supply chain auditing: Utilize RFID tags, which allow for rapid, automated scanning of multiple items simultaneously without direct line-of-sight.

The power of anti-counterfeiting lies not in the tag itself, but in its ability to unlock the truth stored within the digital ledger.

Summary Table:

Feature QR Codes RFID Tags
Primary Use Case Consumer engagement & retail verification High-speed supply chain auditing
Scanning Device Standard smartphones Specialized RFID readers
Line of Sight Required to scan Not required (proximity-based)
Multi-item Scan One by one Multiple items simultaneously
Function Triggers on-chain data queries Triggers automated data tracking

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In an era where authenticity is paramount, protecting your products from counterfeiting is essential for maintaining brand trust. As a large-scale manufacturer serving global distributors and brand owners, 3515 offers comprehensive production capabilities across all footwear categories—including our flagship Safety Shoes, tactical boots, outdoor gear, and formal shoes.

We provide the scale and expertise to integrate advanced tracking and quality assurance into your bulk orders, ensuring every pair meets the highest standards of the digital supply chain. Partner with a manufacturer that understands both physical durability and digital traceability.

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References

  1. Karan Muluskar, Omkar Patil. Product Authentication System. DOI: 10.56726/irjmets52898

This article is also based on technical information from 3515 Knowledge Base .

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