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Researchers Say New Lightning Network Attack Could Create Chaos

A examine written on June 29 disclosed a method to drain Bitcoin (BTC) wallets’ finances on the Lightning Network by exploiting a constriction inside the system.

According to the “Flood & Loot: A Systemic Attack On The Lightning Network” paper, Jona Harris and Aviv Zohar from the Hebrew University in Israel evaluated a general assault on the Lightning Network that enables for the thieving of BTC finances that had been secured in cost channels.

Flooding the blockchain with coincident assaults

The Lighting Network is accustomed ship finances by means of middleman nodes, which could be leveraged to steal Bitcoin. This often should be accomplished shortly. However, the efficient windowpane of time may very well be prolonged by hackers flooding the community.

For the assault to attain success, hackers would exclusively must assault 85 channels at the same time as a way to steal finances from the community.

Details behind the assault

Researchers offered extra particulars, noting:

“The key idea behind Hash Time Locked Contracts (HTLC) is that after they are established, defrayals are ‘pulled’ by the target node from the previous node in the path by providing a secret (a preimage of a hash). Our assailant will route a defrayal between his own two nodes, and pull the defrayal at the end of the path. He will refuse to collaborate when the defrayal is eventually pulled from the source node – forcing the dupe to do so via a blockchain transaction.”

The paper clarifies that the outcomes of the examine had been shared with the builders of the three primary Lightning implementations previous to publication the report.

Cointelegraph reported that the Vietnamese on-line ticketing company, Future.Travel, now accepts Bitcoin finances through the Lightning Network. Funds are changed into native foreign money on the time of sale.

Researchers Say New Lightning Network Attack Could Create Chaos

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Patricia Bakely

Earn Free Bitcoin Online with BTCpeek.com

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