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Nanocatalyst-Enabled Physically Unclonable Functions as Smart Anticounterfeiting Tags with AI-Aided Smartphone
Mauro Moglianetti1, Deborah Pedone1, Pietro Morerio2
1Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia (IIT), Via Morego, 30, 16163 Genova, Italy.
ACS Applied Materials & Interfaces
|May 25, 2022
Summary
This study introduces novel platinum nanocatalyst visual tags that act as physically unclonable functions (PUFs) for anti-counterfeiting. These tags offer secure, smartphone-readable authentication, combating global product fraud.
Area of Science:
- Nanotechnology
- Chemistry
- Artificial Intelligence
- Cryptography
Background:
- Counterfeiting poses a significant global economic burden and health risk, particularly with fake pharmaceuticals and consumer goods.
- Existing anti-counterfeiting technologies, often tag-based, are frequently expensive, complex, and require specialized equipment for verification.
- Physically Unclonable Functions (PUFs) offer advanced cryptographic security but have been limited by practical implementation challenges.
Purpose of the Study:
- To develop a simple, cryptography-based anti-counterfeiting method.
- To create a cost-effective and easily deployable authentication system.
- To leverage nanotechnology, chemistry, and AI for robust product security.
Main Methods:
- Development of platinum nanocatalyst-enabled visual tags with inherent PUF properties.
- Utilizing nanotechnology and chemical methods for tag creation, ensuring high encoding capability (>10^300).
- Integration of an AI-aided algorithm for rapid (1-minute) ON/OFF readout and smartphone-based authentication.
Main Results:
- The developed PUF tags demonstrate exceptional encoding capabilities and fast, reversible ON/OFF readout.
- The AI algorithm enables accurate, on-site authentication using common smartphone devices.
- The system provides a practical and scalable solution for anti-counterfeiting applications.
Conclusions:
- Platinum nanocatalyst-based PUF tags offer a promising, secure, and user-friendly anti-counterfeiting solution.
- The combination of nanotechnology, chemistry, and AI overcomes limitations of previous methods.
- This technology facilitates widespread adoption for authenticating diverse products against counterfeiting.

