Custodial Lightning Network Service Attack Detected by LN “Newbie” – Hacker Beats 6 LN Custodians – Bitcoin News

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On September 18, a Redditor posted on the r / bitcoin forum explaining how he discovered a way to “attack” [the] Lightning Network’s custody services. “The Reddit account called” Reckless Satoshi “wanted to find out if a” discrepancy between real routing fees and the service’s transaction fee could be exploited for profit. ” The researcher announced that he wanted to see how big the damage could be and said, “It’s bad”.

6 Lightning Network Custodial Services attacked, researcher exposes offenders prior to disclosure

A Redditor named Reckless Satoshi posted a disclosure post on r / bitcoin last Saturday, revealing how he found a vulnerability in routing charges and some of the Lightning Network’s custody services. The research attack was conducted in good faith and after it was completed it reported the errors to the offending services before publishing its results. Reckless Satoshi used the Lightning Network (LN) attack on six different services, including Bitfinex, Muun, Okex, Lnmarkets, Southxchange and Walletofsatoshi.

The Reddit post published by Reckless Satoshi on September 18, 2021.

The ruthless Satoshi said the attack was “cheap but not free” and a “simple attack”. After funds are deposited into the custodian services, Reckless Satoshi uses “a node that forwards payments between the custodian and the receiving node”.

The parameters of the attack according to the Github code published by Reckless Satoshi.

“If a positive net return is possible, all that needs to be done is tweak the size of the fee charged and the transaction speed to see how big the damage could be,” added Reckless Satoshi. “It’s easy to see how this attack on any service must be feasible [a] free withdrawal fee. “

Reckless Satoshi also posted his attack on the code repository site Github. After explaining how to place a knot in the center, the researcher added:

This is one of the simplest attacks. Actually the only LN attack I can think of, but I’m also just a newbie to the learning curve. I assume there are people out there who are much better able to do this research. Who knows, there may have been significant losses in the past that have not been disclosed.

The total value of Lightning Network is $ 112 million, up over 100% since the end of July

The visitors who read Reckless Satoshi’s forum thread thanked him for doing the research and reporting the bugs to certain custody LN providers. “I’m glad to see that people aren’t just hacking / exploiting the system for malicious purposes or making a quick profit from it,” wrote one person in response to the reveal. Additionally, a number of redditors discussing Reckless Satoshi’s findings argued over what to call the attack.

The Lightning Network Total Suspended (TVL) on Monday, September 20, 2021, according to statistics from defipulse.com.

At the time of writing, the Lightning Network’s Total Value Locked (TVL) is down 9.3% in the past 24 hours. However, since July 20, 2021, the LN TVL jumped over 100% from $ 56 million that day to today’s (over 2,600 BTC) $ 112 million TVL on the Lightning Network. Much of the TVL’s 9.3% decline in LN is due to the recent collapse of the crypto market on Monday morning, September 20, as the crypto economy lost 9% in value over the past 24 hours.

What do you think of the Lightning Network attack described by Redditor Reckless Satoshi? Let us know what you think on this matter in the comments below.

Tags in this story

$ 112 million TVL, 6 perpetrators, attack, BitFinex, bug, hacker, lightning network, ln, LN bug, LN hack, LN newbie, LN services, Lnmarkets, Muun, Node in the Middle, Okex, Profit , Reckless Satoshi, Routing Fees, Southxchange, The Lightning Network, Vulnerability, Walletofsatoshi.

Photo credits: Shutterstock, Pixabay, Wiki Commons, defipulse.com

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