<ul data-eligibleForWebStory="false"><li>The article discusses a selfdestruct vulnerability in Solidity where contracts can be locked by bypassing ETH caps.</li><li>A Capture The Flag challenge involved finding a way to prevent VIP users from withdrawing tokens when the contract balance is low.</li><li>The selfdestruct function in Solidity allows for the deletion of a contract and transferring remaining Ether, even without a receive() function defined.</li><li>An example exploit using selfdestruct to lock a contract and prevent VIP withdrawals is demonstrated, highlighting the importance of internal verification processes.</li></ul>

Selfdestruct Vulnerabilities in Solidity: Bypassing ETH Caps to Lock Contracts

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