Filip worked on the scaffold-eth/create-eth repository, focusing on enhancing the robustness of the Block Explorer’s transaction data decoding. He addressed a bug where unknown function signatures could disrupt transaction display by introducing a safe fallback that marks such cases as 'Unknown,' ensuring uninterrupted UI rendering. Filip refactored the decoding logic to reduce unnecessary error logging, which improved runtime resilience and minimized error noise without affecting user experience. His work leveraged TypeScript and frontend development skills, with a strong emphasis on smart contract interaction. The targeted changes improved maintainability and ensured that transaction data remained accessible and clear for end users.