Quantum Blockchain using entanglement in time

Del Rajan and Matt Visser
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Del Rajan: Victoria University of Wellington
Matt Visser: Victoria University of Wellington

Papers from arXiv.org

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.

Date: 2018-04, Revised 2019-04
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Published in Quantum Reports 1 # 1 (2019) 3--11

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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:1804.05979

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