MarketPR
A crypto trader suffered a $2 million loss in what observers are calling a same-block backrun extraction exploit — a form of on-chain predatory execution that strips value from a transaction within the same block it is submitted.
At least one trader observing the incident noted that the loss was preventable had the victim reviewed the transaction route before signing.
What the On-Chain Record Shows The exploit category at the center of this incident — same-block backrun extraction — sits within the broader class of maximal extractable value (MEV) attacks.
In a backrun, an attacker identifies a pending transaction that will move a price or settle at a favorable rate, then places their own transaction immediately behind it in the block ordering to capture the residual opportunity.
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