Worked on the google/nearby repository to enhance device identity management and encrypted credential handling, focusing on secure and compliant device credential flows. Delivered a feature that introduced an identity field to the DeviceIdentityMetaData proto and added encrypted metadata support to SharedCredential, enabling richer device and user identity representation. Leveraged data modeling and Protocol Buffers, with careful alignment for Rust interoperability to ensure forward compatibility and cross-language support. The work improved traceability for security-related changes by consolidating updates into a single, auditable commit. No bugs were documented or fixed during this period, reflecting a focused and well-scoped engineering effort.