Some users of Matcha Meta, a decentralized exchange aggregator on the Base blockchain, suffered losses after a thief exploited a vulnerability in its SwapNet integration. SwapNet is another DEX aggregator that integrates with Matcha Meta, and Matcha blamed a vulnerability in their smart contracts that enabled a thief to steal assets transferred via the integration.Most of the lost funds came from a single user, who lost $13.34 million in assets. Other users lost a combined $90,000.

Total loss estimated at $13,430,000.