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arXiv:2205.12995hep-th

Black holes and cryptocurrencies

Alexey Milekhin

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Abstract

It has been proposed in the literature that the volume of Einstein-Rosen bridge is equal to complexity of state preparation ("Complexity=Volume" conjecture). Taking this statement outside the horizon, one might be tempted to propose "Complexity=Time" correspondence. In this Essay we argue that in a blockchain protocol, which is the foundation of all modern cryptocurrencies, time is emergent and it is defined according to a version of "Complexity=Time".

arXiv comments
15 pages. Essay written for the Gravity Research Foundation 2022 Awards for Essays on Gravitation (extended version)
Journal reference
DOI
Subjects
hep-thHigh Energy Physics, Theory cs.CCComputational Complexity gr-qcGeneral Relativity and Quantum Cosmology

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