Joey Silberman enhanced the spruceid/sprucekit-mobile repository by delivering new features to support Verifiable Credential Data Model (VCDM) 2.0 within the VC Playground. He introduced updated JSON-LD contexts and adapted the mobile SDK, enabling the application to handle and display new credential types in compliance with evolving standards. Joey’s work focused on end-to-end credential exchange, improving interoperability and aligning mobile workflows with industry requirements. Utilizing Kotlin and JSON, he demonstrated depth in mobile SDK development and cross-component integration. The project addressed the need for seamless credential interoperability, reflecting a thoughtful approach to standards-driven feature delivery and technical implementation.