Multichain lending protocol Hundred Finance has experienced a significant security breach on the Ethereum layer-2 blockchain Optimism. The protocol tweeted that the losses sit at $7.4 million.
Hundred Finance announced the exploit on April 15, saying it had contacted the hacker and was working with various security teams on the incident. Although the protocol didn’t reveal how the attack was executed, blockchain security firm CertiK said it was a flash loan attack:
