A hacker involved in the $4.67 million exploit of the decentralized finance lending protocol Voltage Finance in 2022 has moved some of the stolen Ether to Tornado Cash after a short hibernation. Blockchain security firm CertiK said in a May 6 post to X that the 100 Ether (ETH), worth $182,783 at current prices, was moved from a different address initially used in the exploit but can be traced back to the hacker. In March 2022, the exploiter took advantage of a “built-in callback function” in the ERC677 token standard and allowed them to drain the platform’s lending pool through a reentrancy attack, according to CertiK.
Source: CertiKAfter the exploit, Voltage Finance reported that the hacker stole various stablecoins and other crypto, including USDC (USDC), Binance USD (BUSD), wrapped Bitcoin (WBTC), and Ethereum tokens. The address used by the hacker to get the funds to Tornado Cash had been dormant since November, with the last transaction occurring 166 days ago, Etherscan data shows.
In its March 20 postmortem, Voltage Finance said it offered the attacker a bounty of $50,000 to return the funds and had possibly identified a developer who worked on the Simple Staking pools, who may have been involved.“While we haven’t confirmed if he is the hacker, as a precaution, we revoked his access immediately and filed police reports to collaborate with law enforcement and centralized exchanges,” it said.
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Author / Journalist: Cointelegraph by Stephen Katte
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