Bitcoin’s Lightning Network Faces Existential Risk in “Flood and Loot” Attack  

Crypto Briefing

Bitcoin 11 months ago
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Two Bitcoin researchers from the Hebrew University in Israel tested a known attack vector on the Lightning Network.
What they found poses grave risks to the future of the layer 2 solution.

Key Takeaways:
- Only nodes that accept the attacker’s requests to open a new payment channel are vulnerable.
- Prior to the publication of their research paper, 95% of LN nodes were willing to open channels with unknown nodes.
- The research paper was shared with the main developers of three LN implementations before it was publicly available.

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