Contributed to the chia-blockchain repository by enhancing simulator configuration to improve deterministic data handling. Developed a feature that sets the AGG_SIG_ME_ADDITIONAL_DATA parameter to the genesis challenge hash within the simulator, ensuring consistent and reliable simulation results across runs. This work focused on refining the simulator’s config.yaml, leveraging Python and configuration management skills to address data drift and support more effective QA processes. The approach demonstrated a strong understanding of blockchain development and cryptographic parameters, emphasizing disciplined version control and config-driven engineering. No bugs were addressed during this period, as efforts centered on stability and reliability improvements for simulation workflows.