Ronin bridge halted after being hit with a $10 million exploit

Source: Crypto Briefing

The Ronin Network bridge was paused after being hit with a 3,996 Ethereum (ETH) exploit today, amounting to nearly $10 million. Aleksander Larsen, COO of Ronin, revealed on X (formerly Twitter) that the over $850 million in funds held in the bridge are safe.

Blockchain explorer Etherscan labels the address as an MEV bot, and the exploit was reported by white hat hackers, added Larsen. MEV is short for “maximal extractable value,” which consists of profiting from rearranging and reordering transactions waiting to be added to the blockchain.

MEV bots were used recently in another exploit. As reported by Crypto Briefing, Scroll-based money market Rho Markets lost 2,203 ETH, amounting to over $7.5 million, in just nine minutes after a group profited from a “price oracle misconfiguration.”

Luckily, the group sent an on-chain message to the Rho Markets’ team stating that they didn’t intend to steal users’ funds and returned the amount extracted after Rho Markets admitted it wasn’t an exploit but a misconfiguration of the platform.

Ronin Bridge was in the spotlight of the largest hack in crypto in March 2022, after hackers managed to secure five out of nine validators and ran away with $624 million.

Moreover, three of the five largest crypto hacks in history are related to bridges. In October 2022, the BNB Bridge was exploited for $586 million, although the hacker managed to escape with just $127 million before the bridge was paused.

In February of the same year, the Wormhole bridge was also hit with an exploit and lost $326 million. The exploiter manipulated a smart contract vulnerability to credit 120,000 ETH to an Ethereum address, which made possible the minting of the equivalent amount in Wormhole ETH (whETH).

Since bridges lock funds from users, these platforms usually hold a large amount of crypto, making them the favorite target of hackers.

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Author: Gino Matos