During March 2025, Lambda refactored the caching architecture in the bluealloy/revm repository by modularizing the cache system. They introduced a dedicated Cache struct and embedded it within CacheDB, decoupling cache-related fields from the main database logic. This approach, implemented in Rust and focused on software design and database principles, improved the modularity and reusability of the caching layer. By clarifying separation of concerns and simplifying interfaces, Lambda enhanced the maintainability and testability of the codebase. The work established a robust foundation for future caching enhancements and enabled easier cross-module reuse, reflecting thoughtful depth in architectural refactoring.