Definition ∞ A token logic flaw refers to an error or defect in the underlying programming logic of a cryptocurrency token’s smart contract that causes it to behave in an unintended or insecure manner. These flaws can range from incorrect handling of decimal places, reentrancy issues, or improper access control, leading to vulnerabilities such as infinite minting, unauthorized transfers, or denial-of-service attacks. Such a defect directly compromises the integrity and security of the token’s operations. It represents a fundamental design or implementation error.
Context ∞ Token logic flaws are frequently reported in crypto news, often preceding or accompanying major security incidents where attackers exploit these weaknesses to steal funds or manipulate token supply. These reports underscore the critical importance of rigorous smart contract auditing and formal verification before token deployment. The continuous discovery of such flaws highlights the complexity of secure smart contract development and the need for ongoing vigilance.
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