Echo Protocol Hack Autopsy: The $76 Million Exploit That Wasn’t Really a Hack
BeInCrypto
A compromised admin key allowed an attacker to mint fake tokens, but limited liquidity resulted in an actual loss of only $816,000.Summary
The Echo Protocol incident on the Monad network demonstrates how operational security failures are increasingly overshadowing smart contract vulnerabilities. An attacker stole a single admin private key, allowing them to mint 1,000 fake eBTC tokens with a notional value of $76.7 million. Because there was insufficient liquidity to exchange the full amount, the attacker successfully laundered only about $816,000 through the Curvance lending protocol before Echo secured the remaining supply. The event highlights the danger of relying on single-key administrative setups and the need for robust security measures like multisig controls, timelocks, and collateral verification.
(Source：BeInCrypto)