During September 2025, contributed to the MetaMask/utils repository by implementing a performance optimization for CAIP type validation. The work focused on refactoring multiple isCaip* validator functions, replacing the slower superstruct 'is' checks with more efficient regex-based string validations. This technical approach leveraged TypeScript and regular expressions to streamline the validation process, resulting in reduced CPU usage and faster throughput for validation-heavy application flows. The changes converted assertion logic to direct regex tests, improving the efficiency of CAIP validation across the codebase. This targeted optimization addressed a key performance bottleneck and demonstrated strong skills in performance tuning and TypeScript development.