A security vulnerability where a system fails to properly check or sanitize data received from users or external sources. Such flaws can allow malicious inputs to cause unintended behavior, leading to exploits like unauthorized access, data corruption, or denial of service. This is a critical concern in smart contract development.
Context
Input validation flaws remain a significant security risk in blockchain protocols and decentralized applications. Auditing and formal verification processes are essential to identify and mitigate these vulnerabilities, protecting user funds and system integrity from potential attacks.
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