Worked on the penumbra-zone/penumbra repository to enhance protocol reliability by developing automated randomized test vector generation for effect hash testing. Leveraging Rust and cryptography expertise, introduced a workflow that creates random transaction plans to rigorously validate effect hash computations. This approach incorporated new dependencies and delivered a comprehensive test file with strategies for generating diverse transaction scenarios, ensuring thorough coverage of critical protocol paths. The improvements reduced regression risk and accelerated test cycles, supporting more robust protocol development. Focused on testing and protocol development, the work increased confidence in future updates by systematically verifying effect hash behavior under varied conditions.