Hijacking Bitcoin: Routing Attacks on Cryptocurrencies

Hijacking Bitcoin: Routing Attacks on Cryptocurrencies

Hijacking Bitcoin: Routing Attacks on Cryptocurrencies

We examine the influence that Internet routing attacks (such as BGP hijacks) and malicious Internet Service Providers (ISP) can have on the Bitcoin cryptocurrency. Because of the extreme efficiency of Internet routing attacks and the centralization of the Bitcoin network in few networks worldwide, we display that the following two attacks are practically possible today:

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