🚨 Major Security Breach: Echo Protocol Exploited for $76.7M in eBTC 🚨
The BTCFi ecosystem just witnessed a highly sophisticated exploit. Today, Echo Protocol suffered a critical security breach on its Monad deployment after a single-signature administrative private key was compromised.
Here is exactly how the attack unfolded:
The Mint: The hacker utilized the leaked admin key to grant themselves minter privileges, artificially creating 1,000 unbacked eBTC tokens (theoretically worth ~$76.7 million) out of thin air.
The Extraction: Because secondary markets lacked the liquidity to cash out the full amount, the attacker deposited 45 eBTC into Curvance to borrow 11.29 WBTC.
The Getaway: The attacker quickly bridged the WBTC to Ethereum, swapped it for native ETH, and laundered 384 ETH (realizing about $818,000 to $821,700) through the Tornado Cash mixer.
Protocol Response & Current Status:
🛡️ The Echo Protocol developers successfully regained control of the compromised keys and permanently destroyed the remaining 955 eBTC held in the attacker's wallet, removing over $73 million in fraudulent value from the chain.
🛑 All cross-chain bridge operations on the Monad network have been completely suspended while the team conducts security upgrades.
Are Aptos Users Safe?
Yes! The Monad and Aptos network deployments operate entirely independently. Security teams confirmed there is no evidence of impact on the Aptos side, with risk exposure limited to about $71,000 and zero actual funds lost.
⚠️ WARNING: Beware of phishing links! Scammers are actively posting fake compensation and refund portals. Do NOT interact with unverified links promising to recover your funds.
What are your thoughts on protocols relying on single-signature admin keys? Let us know in the comments! 👇
#EchoProtocol #Ecoprotocol$76.7MHack #defi #cryptohacks #Monad
