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Hijacking Routes in Payment Channel Networks: A Predictability Tradeoff

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Oct 21 2019 CoinDesk

Bitcoin's #lightningnetwork could be vulnerable to a simple and disruptive attack, a research paper finds. @AlyssaHertig reports. http://ow.ly/GDzt50wPXvP
36 replies, 191 likes


Sep 29 2019 Mihailo Bjelic

Nice paper on LN routing. Findings: 1. Centralization: - 5 nodes participate in 60% of the routes - 10 nodes -> 80% of the routes - 30 nodes -> 95% 2. Hijacking potential: - by creating 5 new channels, an attacker can hijack 65% of the routes - 30 channels -> 80% of the routes
5 replies, 179 likes


Sep 19 2019 Aviv Zohar

Our paper on Hijacking Routes in Payment Channel Networks: https://arxiv.org/pdf/1909.06890.pdf tl;dr: in today's #LightningNetwork it's not too hard to grab a large fraction of the payments (and deny service). With @SaarTochner & @schmiste78 cc @ct_univie @CseHuji @HUJICyberLaw
19 replies, 172 likes


Oct 22 2019 cardanians.io

I have just read a new study about the #BTC Lightning Network. Nearly 80% of all routes pass through only 10 nodes. It is easy and cheap to commit a DOS attack. I believe in real decentralization so I am with #Cardano. https://arxiv.org/pdf/1909.06890.pdf #blockchain $ada $btc $eth $xrp https://t.co/G0Bf5EOx2y
2 replies, 62 likes


Oct 22 2019 Aviv Zohar

Our recent work on routing attacks in the lightning network got some coverage from coindesk. paper link https://arxiv.org/pdf/1909.06890.pdf cc: @schmiste78 @SaarTochner
0 replies, 55 likes


Sep 20 2019 Steve Patterson

Another new problem with the Lightning Network. BTC is simply a failed project, ruined by devs who treated it as a science project. There's no reason to replace proven, reliable tech (on-chain tx's) with speculative, insecure tech. Big-block Bitcoin is the answer.
6 replies, 51 likes


Sep 19 2019 Emin Gün Sirer

An overlooked attack vector on cryptocurrencies with high value in payment channels a.k.a. Layer-2.
2 replies, 37 likes


Oct 21 2019 Tony "ABOLISH ICE" Arcieri

Sometimes I feel like certain cryptocurrency researchers missed the memo where the game theoretic properties of a cryptosystem are not supposed to be exciting for attackers to explore https://arxiv.org/pdf/1909.06890.pdf
1 replies, 18 likes


Oct 22 2019 Emin Gün Sirer

Excellent work from @Avivz78 's group on a simple attack on the Lightning Network. This will not be the last attack on LN routing.
0 replies, 15 likes


Sep 29 2019 Tony "ABOLISH ICE" Arcieri

Interesting attack on the Lightning Network https://twitter.com/avivz78/status/1174617621926416384?s=21
1 replies, 9 likes


Sep 17 2019 Game Theory Papers

Hijacking Routes in Payment Channel Networks: A Predictability Tradeoff. http://arxiv.org/abs/1909.06890
0 replies, 3 likes


Sep 20 2019 ~C4Chaos

REMINDER: next time Bitcoiners shill the awesomeness of #LightningNetwork, politely point them to this academic paper on #Lightning. then don’t forget to use this hash tag: #LightningAttackVector™️ 🤷🏻‍♂️⚡️ https://arxiv.org/pdf/1909.06890.pdf https://t.co/K6j6AfwWhP
0 replies, 3 likes


Sep 19 2019 David Johnson

Academic paper describing the simplicity of hacking lightning network and stealing funds.
0 replies, 2 likes


Sep 20 2019 ~C4Chaos

@APompliano um, yeah. and there’s this thing about #Lightning 🙄⚡️ Hijacking Routes in Payment Channel Networks: A Predictability Tradeoff https://arxiv.org/pdf/1909.06890.pdf https://t.co/jxDzw3IAYQ
0 replies, 1 likes


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