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What Is a Reentrancy Attack? How One Smart Contract Call…

By Tobi Opeyemi Amure

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Source excerpt · FinanceFeeds

Smart contracts automate transactions on blockchains, but their interactions can introduce security vulnerabilities. One example is a reentrancy attack, which occurs when a contract executes a function again before its previous execution finishes. The vulnerability can allow an attacker to withdraw funds repeatedly if the contract transfers assets before updating its internal balance records. Reen…