During December 2025, Soonsoo Kim delivered MeCo Wallet support for the rainbow-me/rainbowkit repository, focusing on expanding wallet connectivity and improving localization. Soonsoo integrated the MeCo Wallet connector using TypeScript, ensuring seamless compatibility with RainbowKit’s existing architecture. The work included updating documentation and example applications to guide developers through the new integration, reducing onboarding friction for projects adopting MeCo Wallet. Collaboration with the MeCo Wallet team ensured adherence to external wallet standards and branding requirements. Soonsoo’s contributions centered on front end development, wallet integration, and documentation, providing a targeted feature addition with clear technical depth and attention to user experience.