Ava Howell developed automated randomized test vector generation for effect hash testing in the penumbra-zone/penumbra repository. She focused on strengthening protocol reliability by building a system that creates random transaction plans to validate effect hash computations, reducing regression risk and improving test coverage. Using Rust and her expertise in cryptography and protocol development, Ava introduced new dependencies to support this workflow and delivered a comprehensive test file with strategies for generating diverse transaction plans. Her work enhanced the project’s testing infrastructure, enabling faster test cycles and increasing confidence in future protocol updates through more robust and automated validation processes.