What are some examples of smart contract attacks?
Smart contract attacks exploit vulnerabilities in blockchain contracts. Examples include reentrancy attacks, integer overflow, and front-running.
Can you explain the reentrancy attack in detail?
Sure! A reentrancy attack occurs when a smart contract calls another contract and allows it to call back into the original contract before the first call is finished, potentially leading to unexpected behavior.
What was the impact of the DAO hack?
The DAO hack in 2016 exploited a reentrancy vulnerability, resulting in the loss of $60 million worth of Ether and led to a hard fork in Ethereum.
How can developers protect against these attacks?
Developers can protect against smart contract attacks by conducting thorough audits, using established libraries, and implementing best practices in coding.
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