Developed and launched the GoPaperoo receipt skipping feature within the vechain/app-hub repository, focusing on reducing ATM paper waste and supporting sustainability initiatives. The work centered on app development and decentralized application (dapp) principles, leveraging JSON for configuration and data handling. The implementation emphasized clean, traceable commits and comprehensive documentation, ensuring release readiness and facilitating future enhancements. No critical bugs were reported during the period, reflecting a focused and defect-minimal delivery. The feature encourages users to opt out of printed receipts, aligning with cost-saving and environmental goals while maintaining strong repository hygiene and clear communication through explicit commit messages and issue tracking.