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Updated: Sep 27, 2025
05:30
Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
Published on: September 8, 2023
673
On the Robustness of Quantum Algorithms for Blockchain Consensus.
Muhammad Asad Ullah1, Jason William Setiawan1, Junaid Ur Rehman1
1Department of Electronics and Information Convergence Engineering, Kyung Hee University, Yongin-si 17104, Gyeonggi-do, Korea.
Sensors (Basel, Switzerland)
|April 12, 2022
Summary
Quantum consensus algorithms show promise for blockchain networks but face noise challenges. Current protocols are best suited for specific intra-enterprise blockchain applications due to noise sensitivity.
Area of Science:
- Quantum Computing
- Blockchain Technology
- Network Security
Background:
- Blockchain relies on consensus algorithms for distributed networks.
- Key performance metrics include scalability, security, and decentralization.
- Quantum computing offers potential advancements for consensus mechanisms.
Purpose of the Study:
- Evaluate quantum consensus algorithms for blockchain-enhanced networks.
- Assess noise robustness against quantum decoherence.
- Compare performance against scalability, security, and decentralization metrics.
Main Methods:
- Investigated quantum consensus schemes' noise robustness.
- Analyzed effects of quantum decoherence in processors and fiber-optic channels.
- Examined error rates in list distribution under quantum noise.
Main Results:
- Quantum noise generally increases error rates in list distribution.
- Entanglement-free schemes are more susceptible to local noise than entanglement-based ones.
- Noisy optical fiber links significantly impact all quantum consensus schemes.
Conclusions:
- Current quantum protocols are viable for modular units in intra-enterprise blockchain networks.
- Noisy intermediate-scale quantum devices and communication limit broader application.
- Further research needed to overcome noise limitations for robust quantum blockchain consensus.
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