Date: Thu, 09 Jun 2022 18:24:03 +0000
To: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
From: alicexbt <alicexbt@protonmail.com>
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Subject: [bitcoin-dev] BGP hijacking on Bitcoin p2p network
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Hi Bitcoin Developers,

Based on this [answer][1] from 2014, bitcoin nodes are vulnerable to BGP hi=
jacking. There was an incident in March 2022, twitter prefix was hijacked a=
nd details are shared in 2 blog posts:

https://isc.sans.edu/diary/rss/28488

https://www.manrs.org/2022/03/lesson-learned-twitter-shored-up-its-routing-=
security/

'nusenu' had written an article about Tor network being vulnerable to BGP h=
ijacking attacks: https://nusenu.medium.com/how-vulnerable-is-the-tor-netwo=
rk-to-bgp-hijacking-attacks-56d3b2ebfd92

After doing some research I found that RPKI ROA and BGP prefix length can h=
elp against BGP hijacking attacks. I checked BGP prefix length and RPKI ROA=
 for first 10 IP addresses returned in `getnodeaddresses` in bitcoin core a=
nd it had vulnerable results.

https://i.stack.imgur.com/KD7jH.png

Has anyone written a detailed blog post or research article like nusenu? If=
 not I would be interested to write one in next couple of weeks?
Looking for some "technical" feedback, links if this was already discussed =
in past with some solutions.

=C2=A0 [1]: https://bitcoin.stackexchange.com/a/30305/133407


/dev/fd0

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