NEAR Protocols Rainbow Bridge Attacker Loses 2.5 ETH - BitcoinEthereumNews.com
On May 1, the NEAR Protocol Rainbow Bridge was attacked. The cross-chain bridge had temporarily been suspended for maintenance after detecting abnormal activities. एक विस्तृत में पद, Alex Shevchenko, CEO of Aurora Labs, revealed that the attack was stopped automatically as the bridge architecture was designed to resist such events. No funds were lost during the event, Shevchenko added. हमला It all started when the attacker sent some ETH through the popular coin mixer, Tornado Cash, on May 1. They deployed a contract meant to deposit some funds to become a valid Rainbow Bridge relayer. The main intention was to send “fabricated” light client blocks. According to Shevchenko, the bridge watchdogs identified that the block submitted was not in the NEAR blockchain and, in turn, created a “challenge transaction” and sent it to Ethereum. After the watchdog transaction failed, MEV bots figured that front-runing it would result in a 2.5 ETH gain. The exec explained, “As a result, watchdog transaction failed, MEV bot transaction succeeded and rolled back the fabricated block of the attacker. Some min after this, our relayer submitted a new block. A bit later we started to investigate the strange behavior and paused all the conectors. And once figured out the details, unpaused