During June 2025, this developer enabled testnet deployment capabilities for the kadena-io/kadena-evm-sandbox repository, focusing on configuration management and DevOps practices. They configured Blockscout for testnet use, updated YAML and environment files to ensure the smart contract verifier service was accessible on port 4000, and aligned .back.env and common-blockscout.env to the correct testnet verifier endpoints. By updating docker-compose and environment variables, they improved the reliability and reproducibility of testnet builds, streamlining end-to-end testing and verification workflows. Their work laid the groundwork for smoother production deployment, demonstrating depth in environment configuration and deployment automation using YAML and env files.