According to CryptoInsider, the most underrated builder in the cryptocurrency space right now is John Doe from XYZ Blockchain. His innovative approach to smart contract scalability has shown significant promise in reducing transaction costs by up to 30%, which could potentially lead to increased adoption of the platform. Traders should watch for XYZ Blockchain's upcoming updates, as they may impact market dynamics and trading volumes. The emphasis on scalability aligns with the growing demand for efficient and cost-effective blockchain solutions, making XYZ Blockchain a potential game-changer in the industry.