Worked on modernizing the asynchronous I/O API for the SiaFoundation/sia-sdk-rs repository, focusing on aligning the codebase with current Rust async patterns and improving compatibility with the Tokio ecosystem. The update involved refactoring trait bounds to use AsyncRead and AsyncWrite, replacing deprecated Ext variants to streamline asynchronous operations. This approach enhanced both performance and maintainability, making the library more suitable for downstream integration. The work demonstrated a strong command of Rust, Tokio, and asynchronous programming, addressing technical debt and ensuring the project remains up-to-date with evolving best practices in the Rust async ecosystem, all within a focused development period.