Related papers: Vulnerability of Blockchain Technologies to Quantum Attacks

URL: http://arxiv.org/abs/2105.01815v1
Date: Wed, 5 May 2021 01:01:42 GMT
Title: Vulnerability of Blockchain Technologies to Quantum Attacks
Authors: Joseph J. Kearney, Carlos A. Perez-Delgado
Abstract summary: Quantum computation represents a threat to many cryptographic protocols in operation today. It has been estimated that by 2035, there will exist a quantum computer capable of breaking the vital cryptographic scheme RSA2048.
Score: 0.0
License: http://creativecommons.org/licenses/by/4.0/
Abstract: Quantum computation represents a threat to many cryptographic protocols in operation today. It has been estimated that by 2035, there will exist a quantum computer capable of breaking the vital cryptographic scheme RSA2048. Blockchain technologies rely on cryptographic protocols for many of their essential sub-routines. Some of these protocols, but not all, are open to quantum attacks. Here we analyze the major blockchain-based cryptocurrencies deployed today -- including Bitcoin, Ethereum, Litecoin and ZCash, and determine their risk exposure to quantum attacks. We finish with a comparative analysis of the studied cryptocurrencies and their underlying blockchain technologies and their relative levels of vulnerability to quantum attacks.

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