Smart Contract Security: A Taxonomy of Vulnerabilities, Attacks, and Defenses
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Smart Contract Security: A Taxonomy of Vulnerabilities, Attacks, and Defenses
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This story was originally published on HackerNoon at: https://hackernoon.com/smart-contract-security-a-taxonomy-of-vulnerabilities-attacks-and-defenses.
A practical taxonomy of smart contract vulnerabilities, covering reentrancy, integer overflow, access control, MEV, invariant violations, and key defense strate
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Smart contracts are immutable once deployed. A single bug can drain millions in minutes. This article builds a practical taxonomy of the most dangerous vulnerability classes: reentrancy, integer overflow, access control, MEV, and invariant violations. Each section explains the vulnerability with Solidity code, formal notation, and systematic defenses.