During January 2026, Alex delivered the PRXVT Privacy-Preserving Payment Partner Integration for the coinbase/x402 repository, expanding the platform’s privacy-focused payment capabilities. The work involved integrating a new partner using robust API integration and data management techniques, with all changes structured in JSON to ensure compatibility and scalability. Alex updated the partner registry to support downstream discovery and future integrations, establishing a repeatable onboarding pattern for privacy-preserving partners. The project was completed with clear documentation and disciplined release practices. While the scope was focused on a single feature, the implementation demonstrated depth in full stack development and careful architectural planning.