Worked on the chainapsis/keplr-wallet repository, focusing on performance optimization within the unit package. Delivered an enhancement to the IntPretty constructor by reducing cloning overhead and minimizing string operations, directly addressing a performance bottleneck in the Osmosis frontend. The approach involved refactoring core logic in TypeScript to streamline data handling and improve execution speed. To ensure reliability, added targeted unit tests that verified the correctness of the optimization. This work not only improved frontend performance but also established a foundation for future enhancements by increasing test coverage and clarifying the rationale behind the changes through detailed documentation and commit linkage.