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Quantum Blockchain using entanglement in time

Author

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  • Del Rajan

    (Victoria University of Wellington)

  • Matt Visser

    (Victoria University of Wellington)

Abstract

We propose a conceptual design for a quantum blockchain. Our method involves encoding the blockchain into a temporal GHZ (Greenberger-Horne-Zeilinger) state of photons that do not simultaneously coexist. It is shown that the entanglement in time, as opposed to an entanglement in space, provides the crucial quantum advantage. All the subcomponents of this system have already been shown to be experimentally realized. Furthermore, our encoding procedure can be interpreted as nonclassically influencing the past.

Suggested Citation

  • Del Rajan & Matt Visser, 2018. "Quantum Blockchain using entanglement in time," Papers 1804.05979, arXiv.org, revised Apr 2019.
    • Handle: RePEc:arx:papers:1804.05979
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    File URL: http://arxiv.org/pdf/1804.05979
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    Cited by:

    1. Alexandru-Gabriel Tudorache, 2022. "Design of an Exchange Protocol for the Quantum Blockchain," Mathematics, MDPI, vol. 10(21), pages 1-14, October.
    2. Abha Naik & Esra Yeniaras & Gerhard Hellstern & Grishma Prasad & Sanjay Kumar Lalta Prasad Vishwakarma, 2023. "From Portfolio Optimization to Quantum Blockchain and Security: A Systematic Review of Quantum Computing in Finance," Papers 2307.01155, arXiv.org.
    3. Claudia Antal & Tudor Cioara & Ionut Anghel & Marcel Antal & Ioan Salomie, 2021. "Distributed Ledger Technology Review and Decentralized Applications Development Guidelines," Future Internet, MDPI, vol. 13(3), pages 1-32, February.

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