Developed a configurable EIP-7623 option for the bluealloy/revm repository, enabling users to disable calldata gas costs and tailor gas modeling for various EVM L2 rollup scenarios. The implementation introduced a configuration toggle that, when activated, sets the gas floor to zero, preventing unexpected gas calculations and supporting more predictable deployments. This work focused on configuration management and smart contract execution, leveraging Rust to ensure robust integration with existing EVM logic. By aligning the feature with project goals around adaptable gas economics, the update improved support for diverse network requirements and reduced deployment friction for L2 environments without introducing new bugs.