Worked on the anza-xyz/agave repository to enhance account data isolation and integrity within the accounts database, focusing on preventing data leakage across banks and improving data correctness for multi-bank scenarios. Addressed a critical bug by refining the logic for data access, specifically consolidating ancestor slot calculations and correcting the index_scan_accounts path to ensure reliable and efficient account queries. Collaborated closely with a cross-team reviewer to refine and maintain code quality. Utilized Rust for backend development and database management, delivering changes that support safer analytics and regulatory compliance by ensuring only appropriate account data is accessible during queries.