Woofun AI reports that Category Labs utilized formal verification to detect security flaws within Monad's core modules, specifically targeting the "Reserve Balance" mechanism in the asynchronous execution framework and C++ undefined behavior in MIP-8 storage optimization. These vulnerabilities remained undetected by advanced large models such as Claude Opus 4.8 and Codex during standard code reviews. The team concluded that presenting precise correctness assertions before requesting counterexamples is a more effective strategy for uncovering hidden issues than direct code review, noting that AI can significantly assist in this formal verification workflow.