During April 2025, Paradiso focused on backend development and protocol robustness for the bnb-chain/bsc and okx/op-geth repositories. They addressed critical edge cases in the GetBlockHeaders function by implementing comprehensive error handling and validation for large Skip values, preventing integer overflow and underflow in block number calculations. Using Go, Paradiso introduced targeted tests to cover extreme scenarios, ensuring correct ancestor and next block retrieval even in challenging conditions. Their work emphasized cross-repository consistency and test-driven development, enhancing the reliability and security of block header processing. This approach demonstrated depth in protocol implementation and a strong commitment to code quality.