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Blockchain-based IoT integration for VAT photopolymerization additive manufacturing process security and

Dhal A Matoc¹, Bhavesh Kanabar¹, Amit Sata²

¹Department of Mechanical Engineering, Marwadi University, Rajkot-Morbi Road, Rajkot, 360003, India.

Scientific Reports

|July 6, 2026

Summary

This study integrates blockchain and IoT for secure monitoring of VOC emissions in VAT Photopolymerization (VPP) additive manufacturing. The system enhances data security and regulatory compliance for safer, sustainable industrial practices.

Keywords:

Additive manufacturing (AM)Blockchain Cybersecurity systems Internet of Things (IoT)VAT photopolymerization (VPP)

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Area of Science:

Additive Manufacturing
Blockchain Technology
Internet of Things (IoT)

Background:

Industrial production data security and transparency are critical.
Volatile Organic Compound (VOC) emissions in VAT Photopolymerization (VPP) require monitoring.
Integrating IoT with blockchain offers enhanced data management.

Purpose of the Study:

To implement a secure, transparent, and traceable system for VPP industrial production data using blockchain and IoT.
To monitor and mitigate VOC emissions in real-time.
To ensure regulatory compliance and improve industrial safety.

Main Methods:

Developed a VPP-IoT system utilizing sensor data for VOC emission monitoring.
Implemented a private blockchain network using Hyperledger Fabric for secure data management.
Designed smart contracts for automated data validation, storage, and alerts.

Main Results:

Achieved high performance with 487.2 transactions per second (tps) throughput.
Demonstrated 99.99% data integrity verification success.
Established a positive correlation between VOC emissions and printing parameters like exposure duration and light intensity.

Conclusions:

Blockchain-IoT integration enhances regulatory compliance, predictive maintenance, and real-time monitoring in VPP additive manufacturing.
The system promotes safer and more sustainable industrial practices.
This work advances Industry 4.0 concepts in practical additive manufacturing applications.