A decentralized finance trader lost nearly $50 million in an attempted swap, exchanging over $50 million in USDT for only about $36,000 worth of AAVE tokens due to extreme slippage. According to on-chain data and statements from Aave and CoW DAO, the user confirmed explicit warnings before the transaction, which executed as signed. The Aave team plans to refund approximately $600,000 in fees collected from the trade.
A DeFi trader executed a massive swap, converting over $50 million in USDT for only about $36,000 in AAVE tokens. On-chain data indicates the user attempted to purchase AAVE using 50,432,688 USDT through the Aave interface.
The funds were withdrawn from Aave and routed through the CoW Protocol liquidity aggregator. The transaction ultimately returned roughly 327 AAVE, valued at approximately $36,297.
Aave founder Stani Kulechov stated the platform warned the trader about extraordinary slippage before execution. “The user confirmed the warning on their mobile device and proceeded with the swap, accepting the high slippage,” Kulechov wrote.
CoW DAO said there is no indication of an exploit or malicious activity. The team stated the transaction executed according to the parameters of the signed order, with clear price impact warnings displayed.
Although the swap cannot be reversed, the Aave team plans to return approximately $600,000 in fees collected. Kulechov also mentioned the team sympathizes with the user and will attempt to make contact.
The incident has sparked discussion within the DeFi community about potential safeguards. It highlights the risks of extremely large trades in permissionless, decentralized markets.
