Worked on the paradigmxyz/reth repository to enhance RPC data handling within Ethereum primitives, focusing on robust serialization and deserialization of RPC receipts. Addressed previous deserialization issues by enabling serde support, which improved test reliability and ensured accurate round-trips for receipt data. The work involved implementing targeted features in Rust, specifically within the backend components of the Ethereum primitives library, and included thorough documentation to support future collaboration. By stabilizing test coverage and reducing flakiness in RPC receipt tests, the developer contributed to improved data integrity and end-to-end readiness for RPC receipt handling in Ethereum development workflows.