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Operation of the Collaborative Composite Manufacturing CCM System

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Published on: October 1, 2019

Interoperable Blockchains for Highly-Integrated Supply Chains in Collaborative Manufacturing.

Paolo Bellavista¹, Christian Esposito², Luca Foschini¹

¹Department of Computer Science and Engineering, University of Bologna, 40100 Bologna, Italy.

Sensors (Basel, Switzerland)

|August 10, 2021

Summary

This summary is machine-generated.

This study presents a secure blockchain interoperability solution using a Trusted Execution Environment. The novel relay scheme ensures seamless cross-blockchain communication with tolerable latency and negligible overhead for Industry 4.0.

Keywords:

Industry 4.0 Trusted Execution Environment blockchain decentralized ledger interoperability

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Area of Science:

Computer Science
Information Technology

Background:

Blockchain technology is crucial for Industry 4.0 digitalization, but diverse, non-interoperable solutions hinder seamless integration.
The decentralized nature of Industry 4.0 prevents imposing a single blockchain standard, necessitating interoperability between organizational blockchains.

Purpose of the Study:

To devise a secure and efficient solution for blockchain interoperability.
To address the challenge of seamless communication between disparate blockchain systems in a decentralized ecosystem.

Main Methods:

A novel relay scheme leveraging Trusted Execution Environment (TEE) for enhanced security.
Utilizing an off-chain secure computation element invoked by smart contracts for inter-blockchain communication.

Main Results:

Experimental results demonstrate tolerable latency increases for cross-blockchain transactions.
The proposed Trusted Execution Environment-based solution imposes a negligible overhead.

Conclusions:

The developed TEE-based relay scheme offers a secure and practical approach to blockchain interoperability.
This solution effectively supports the seamless integration of diverse blockchains within the Industry 4.0 framework.