Energy-Efficient Mining on a Quantum-Enabled Blockchain Using Light


  • Adam J Bennet
  • Shakib Daryanoosh



We outline a quantum-enabled blockchain architecture based on a consortium of quantum servers. The network is hybridised, utilising digital systems for sharing and processing classical information combined with a fibre-optic infrastructure and quantum devices for transmitting and processing quantum information. We deliver an energy efficient interactive mining protocol enacted between clients and servers which uses quantum information encoded in light and removes the need for trust in network infrastructure. Instead, clients on the network need only trust the transparent network code, and that their devices adhere to the rules of quantum physics. To demonstrate the energy efficiency of the mining protocol, we elaborate upon the results of two previous experiments (one performed over 1km of optical fibre) as applied to this work. Finally, we address some key vulnerabilities, explore open questions, and observe forward-compatibility with the quantum internet and quantum computing technologies.

Author Biographies

Adam J Bennet

Independent Researcher

Shakib Daryanoosh

Post–doctoral researcher at Macquarie University, Department of Physics and Astronomy, Sydney, Australia, and the Australian Research Council Centre of Excellence for Engineered Quantum Systems. 


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How to Cite

Bennet, A. J., & Daryanoosh, S. (2019). Energy-Efficient Mining on a Quantum-Enabled Blockchain Using Light. Ledger, 4.



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