Cryptocurrency [loss] $12M+

"Optimism-Based Exactly Protocol Hacked: Over $12M in Ether Drained"

2023-08-18 [vendor] Exactly Protocol [chain] ethereum
Primary Source ↗
Financial Loss $12.0M (12,000,000 USD)
Blockchain(s) Ethereum

Incident Details

The Exactly Protocol, an attempt to “decentralize the credit market” built on the Optimism layer-2 network, was exploited. The protocol announced a pause to investigate a security issue, after they were alerted to suspicious transactions.An attacker has siphoned more than 7,160 ETH (~$12 million) from the project, which they’ve bridged back to the Ethereum main chain. The Exactly Protocol’s TVL plunged from $37 million to under $12 million following the attack.Exactly writes on their website that they had been audited by four different firms: Chainsafe, Coinspect, ABDK, and Cryptecon.

Total loss estimated at $12,000,000.

Technical Details

Initial Attack Vector
Smart contract exploit / hack
Vendor / Product
Exactly Protocol

Timeline

  1. 2023-08-18 Breach occurred
  2. 2023-08-18 Publicly disclosed