[Cross-Chain Trading Protocol Relay Suffers Sandwich Attack Due to API Vulnerability, Will Compensate Approximately $312,000] BlockBeats News, on September 29, the cross-chain trading protocol Relay disclosed that its API had exposed pending transaction information, allowing MEV searchers to front-run and sandwich user orders. The incident primarily occurred between September 12 and 26, with a concentration from the 23rd to the 26th. Approximately 5,600 users were affected, with a median loss of about $11.88, while searchers collectively profited approximately $136,000. Relay has paid a $50,000 bounty to @Outputlayer, who discovered and reported the issue, and will automatically compensate affected users' wallets with a total of approximately $312,000, without requiring separate applications. Relay stated that it will continue to improve execution quality and privacy protection along the transaction path. [Original Link]