{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of traceability and origin tracking?","a":"Decentralization: Blockchain technology adopts a distributed node consensus mechanism, eliminating the centralized data storage and  management, and improving the security of the data. In the field of traceability, the decentralized feature ensures the authenticity and reliability of the data, which is conducive to building a fair, transparent, and trustworthy supply chain system."}]}]}