Decentralized finance (DeFi) protocol Euler Finance lost nearly $197 million in a flash loan attack on March 13, impacting more than 11 other DeFi protocols. The vulnerability remained on-chain for eight months despite a $1 million bug bounty in place. Euler Finance disabled the vulnerable etoken module and vulnerable donation function, and has reached out to security firms and the ETH security community to help with the investigation and recover the stolen funds. (Read More)