Worked on Casper Block Finalization Stabilization and Performance Enhancements for the F1R3FLY-io/f1r3fly repository, focusing on improving the stability and efficiency of block finalization and proposer flow within a Rust-based blockchain environment. Leveraged concurrent programming techniques to optimize block creation and validation, introducing caching and bypassing non-essential steps to reduce latency. Enhanced API behavior and expanded documentation to streamline developer onboarding and clarify integration points for downstream services. The work included updates across the casper runtime, block storage, and proposer components, with added benchmark coverage to surface performance characteristics and guide further optimization efforts within the blockchain system.