Tectonic lending exploit drains $74M, forces Cronos network halt
Cronos validators pulled the emergency brake on the entire blockchain Sunday after security teams spotted a fast-moving attack draining funds from Tectonic, the network’s largest lending protocol. The Tectonic lending exploit forced a full network halt within minutes, freezing trading and cross-chain transfers while investigators tried to figure out exactly how much money had walked out the door and where it had gone.
Key takeaways
- Cronos validators froze all trading and cross-chain transfers on Sunday after detecting an exploit on Tectonic, the network’s biggest decentralized lending platform.
- An attacker manipulated the price of TONIC, Tectonic’s native token, inflating it roughly 300-fold in 20 minutes before borrowing more than $74 million against the fake collateral value.
- Only about $6 million made it across the bridge to Ethereum before validators paused the chain, keeping the bulk of the stolen funds trapped on Cronos.
- Tectonic’s total value locked collapsed from roughly $122 million to about $3 million.
- Crypto.com confirmed its centralized exchange and app were untouched, and is now working with Cronos Labs on a rollback to restore the chain to its pre-exploit state.
Cronos Blockchain Freezes Trading After Tectonic Exploit
Cronos validators halted block production on the network the moment engineers confirmed something was badly wrong with Tectonic’s collateral pricing. “We identified an exploit in Tectonic,” Cronos Network said in a post on X, adding that the network had been halted while the team worked through what happened. Tectonic issued its own warning shortly after, telling users directly not to interact with the protocol until the situation was confirmed safe.
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