A significant incident in the crypto space has emerged as a trader lost $2 million in a transaction that exemplifies the dangers of same-block backrun extraction. The trader, who swapped $2.01 million worth of Ether on a decentralized exchange, ended up with only $14,500 worth of tokens after the transaction was mishandled.
Details of the Transaction
The trader exchanged 1,126.44 Ether (ETH) but received just 5,776 Lighter (LIT) tokens. According to GoPlus Security, this case represents a clear instance of same-block backrun extraction rather than a traditional sandwich attack. The transaction occurred on a Monday at 1:59 am UTC, with the block builder, Titan Builder, profiting significantly by extracting $1.8 million from the deal.
Mechanics of the Loss
The victim’s transaction routed approximately 1,117 Ether into a low-liquidity AVAIL/WETH pool on Uniswap v3. This routing caused the trade to execute at an inflated price, approximately 120 times higher than the eventual market value of AVAIL. The trader ended up receiving nearly 6.67 million AVAIL tokens, which were subsequently sold by the router involved, the 0x router. This sale allowed Titan to extract about 1,072 WETH before disbursing 1,018 ETH, translating to the $1.8 million builder reward.
Implications for Traders
In light of this incident, crypto trader Ruslan Khairullin emphasized the importance of reviewing transaction routes before confirming trades. He stated, “This is what happens when you clicked confirm faster than you read the route. Painful lesson to see in real time.” This incident serves as a stark reminder of the risks associated with maximal extractable value (MEV) bots and liquidity routers in the crypto ecosystem.
Market Context
Titan Builder has reportedly generated $112.6 million in revenue from its block building services this year, with its most profitable day occurring in March when it extracted around $34 million from a MEV bot incident on the CoW Protocol. The ongoing prevalence of such incidents raises questions about the security and reliability of decentralized exchanges and the broader implications for market participants.
This article was produced by NeonPulse.today using human and AI-assisted editorial processes, based on publicly available information. Content may be edited for clarity and style.








