Analysis of the Ronin Bridge Exploit

On March 23, 2022 an exploit of the Ronin bridge was announced[1] by the network. In this article, we will review how the hack occurred, and how it could have been prevented. The Ronin bridge is similar to other bridge technology,[2][3] whereby an asset in one network, in this case Ethereum -ETH, is locked in a contract, and an equivalent of it, in this case WETH, is created in the other network, in this case the Ronin network.

Ronin network described the exploit somewhat clearly in a release on their site: “ There has been a security breach on the Ronin Network

Originally published at https://medium.com on April 20, 2022.

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