5/7 Echo’s Monad Incident Adds to DeFi Risk Premium
On May 19, an attacker used a compromised admin key to mint roughly 1,000 unauthorized eBTC, Echo Protocol's synthetic Bitcoin, on the Monad blockchain, a paper value of about $76 million but realized losses landed closer to $0.8 million.
The character of the incident matters more than the headline. This was an admin-key compromise, not a smart-contract or oracle flaw, and Monad itself was never compromised. That distinguishes Echo from the April KelpDAO/Aave incident, where an attacker minted unbacked rsETH and borrowed against it before the oracle caught up.