An exploitable fault in the bridge connecting עטהערעום און אַרביטרום Nitro was revealed by an anonymous developer, avoiding another major crypto hack in the crypto ecosystem.
The white hat hacker, riptide, claimed a bounty of 400 ETH by revealing a critical bug on the Ethereum scaling solution Arbitrum that could have allowed any hacker to steal all incoming deposits between the Layer1 and Layer2 bridge.
Source: https://beincrypto.com/white-hat-hacker-saves-day-revealing-vulnerability-arbitrum/