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oaioai:HAL:hal-02320909v1

Bitcoin Security with a Twisted Edwards Curve

Authors
Publication date
1 January 2019
Publisher
'CEU Educational-Service Non-profit LLC'

Abstract

International audienceThe security of the Bitcoin cryptocurrency system depends on the Koblitz curve secp256k1 combined with the digital signature ECDSA and the hash function SHA-256. In this paper, we show that the security of Bitcoin with ECDSA and secp256k1 is not optimal and present a detailed study of the efficiency of Bitcoin with the digital signature algorithm Ed25519 combined with the twisted Edwards curve CurveEd25519 and the hash function SHA-512. We show that Bitcoin is more secure and more efficient with the digital signature algorithm Ed25519 and the twisted Edwards curve CurveEd25519. Subject Classifications: 94A6

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HAL - Normandie Université

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oaioai:HAL:hal-02320909v1
Last time updated on 29/10/2019

This paper was published in HAL - Normandie Université.

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