The recent hack on SIR.trading raises significant concerns about the security of Ethereum's transient storage feature and its implications for decentralized finance protocols.
On March 30, 2023, the DeFi protocol SIR.trading was exploited, resulting in a total loss of $355,000. The attack, first reported by TenArmor, exploited a vulnerability in the Vault contract's transaction verification process. Security experts warn that this incident highlights critical security flaws in the use of transient storage in smart contracts, necessitating stronger safeguards.