CoW Swap Points to Legacy Code and Solver Failures in $50M Loss That Aave Attributes to Illiquid Market

A $50M loss in DeFi sparked disagreement between Aave and CoW Swap over the cause, with Aave attributing it to market illiquidity while CoW Swap identified technical failures including stale gas ceiling, solver failures, and potential mempool leak. The incident represents the worst execution loss in DeFi history, highlighting infrastructure vulnerabilities in decentralized trading systems.