{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the main application scenarios of blockchain technology?","a":"Supply chain management: Blockchain technology can achieve real-time monitoring of each link in the supply chain, improve logistics efficiency, reduce management costs,  and ensure the traceability and authenticity of product origin."}]}],"pr":"cb28852c439e38854e5e1f42e3000cdecebf87fecfc3eb4f4d68a7fd7fbbfb41"}