A Security Analysis of FirstCoin

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Abstract

Supported by the current hype on Bitcoin, the number of available cryptocurrencies has steadily increased over the past years. Currently, relevant portals list more than 1.500 cryptocurrencies. Many of them slightly deviate from approved and tested technical concepts and realize security-related functionality in different ways. While the security of major cryptocurrencies has already been studied in more detail, security properties of less popular cryptocurrencies that deviate from approved technical concepts often remain unclear. This is a problem, as users run the risk of losing invested money in case the respective cryptocurrency is unable to provide sufficient security. In this paper, we underpin this statement by means of a detailed analysis of the cryptocurrency FirstCoin. We identify and discuss vulnerabilities of FirstCoin, which lead to a low network hash rate and allow for 51% attacks. We propose a double-spending attack that exploits these vulnerabilities and demonstrate the proposed attack's feasibility by running it in an isolated evaluation environment. This way, we show FirstCoin to be insecure and provide a real-world example that underpins the general problem of cryptocurrencies deviating from approved security concepts and relying on weak security designs.
Originalspracheenglisch
TitelICT Systems Security and Privacy Protection
Redakteure/-innenLech Jan Janczewski, Miroslaw Kutylowski
ErscheinungsortCham
Herausgeber (Verlag)Springer International Publishing AG
Seiten127-140
Seitenumfang14
ISBN (Print)978-3-319-99828-2
DOIs
PublikationsstatusVeröffentlicht - 2018
Veranstaltung
33rd IFIP TC-11 SEC 2018 International Conference on Information Security and Privacy Protection
- Poznań, Polen
Dauer: 18 Sep 201820 Sep 2018

Publikationsreihe

NameIFIP Advances in Information and Communication Technology
Band529

Konferenz

Konferenz
33rd IFIP TC-11 SEC 2018 International Conference on Information Security and Privacy Protection
KurztitelIFIP SEC 2018
LandPolen
OrtPoznań
Zeitraum18/09/1820/09/18

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