DeFi protocol Arcadia Finance hacked on Ethereum and Optimism for $455k

1 year ago

A loophole successful the codification allowed the hacker to drain funds worthy astir $455,000 from Arcadia's Ethereum (darcWETH) and Optimism (darcUSDC) vaults collectively.

DeFi protocol Arcadia Finance hacked connected  Ethereum and Optimism for $455k

A hacker drained astir $455,000 from non-custodial decentralized concern (DeFi) protocol Arcadia Finance by exploiting a codification vulnerability.

Blockchain researcher PeckShield alerted astir the hack connected Arcadia Finance, pointing retired the origin arsenic “the deficiency of untrusted input validation.” The codification supposedly lacked a validation mechanics to cross-check unverified inputs. This loophole allowed the hacker to drain funds worthy astir $455,000 from Ethereum (darcWETH) and Optimism (darcUSDC) vaults collectively.

Arcadia Finance codification required nary validation of untrusted input. Source: PeckShield

Arcadia Finance has not yet responded to Cointelegraph’s petition for comment.

Arcadia Finance confirmed the hack 2 hours aft PeckShield’s intimation and subsequently paused the contracts to forestall further bleeding of funds.

We are alert of a imaginable exploit successful our protocol.
We person paused the contracts and are investigating the root-cause with information experts arsenic we speak. More info volition travel arsenic it comes available.

— Arcadia Finance (@ArcadiaFi) July 10, 2023

While the investigations are underway, Arcadia’s codification houses different vulnerability, which could beryllium catastrophic for the protocol if exploited. According to PeckShield:

“In addition, determination is simply a deficiency of reentrancy protection, which allows for the instant liquidation to bypass the interior vault wellness check.”

The bulk of the stolen funds — astir 180 Ether (ETH) — were from Optimism, and person been washed via Tornado Cash. However, the stolen tokens — worthy implicit $103,000 astatine the clip of penning — connected Ethereum stay parked astatine the suspected wallet address.

Related: Multichain MPC span sees $100M+ outflows, sparking fears of exploit

In Q2 of 2023, hacks and exploits successful the crypto abstraction resulted successful a cumulative nonaccomplishment of implicit $300 million.

A study by blockchain information institution CertiK showed that a full of 212 information incidents were recorded successful the quarter, resulting successful a nonaccomplishment of $313,566,528 from Web3 protocols.

When compared to the erstwhile year’s Q2 data, CertiK recovered that the crypto hacks declined by 58%. Out of the lot, BNB Chain recorded the astir incidents, with 119 incidents starring to $70,711,385 successful losses.

Collect this nonfiction arsenic an NFT to sphere this infinitesimal successful past and amusement your enactment for autarkic journalism successful the crypto space.

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