During a three-month period, Dyro contributed to the contentauth/c2pa-rs repository by developing features and optimizations focused on SDK usability, performance, and cross-platform compatibility. He built a robust C2PA SDK surface in Rust and C, introducing APIs for MIME-type handling and utilities for safer C interop memory management. Dyro implemented adaptive streaming with memory-to-disk fallback, improving stability for large data streams, and optimized SHA2 hashing on aarch64 macOS using assembly-level acceleration. His work included careful build configuration and dependency management, ensuring that performance enhancements were gated to target platforms, resulting in reliable, maintainable, and efficient system programming solutions.