{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is blockchain applied in the IoT field?","a":"Supply Chain Management: Blockchain can improve the efficiency and transparency of supply chain management in IoT. By tracking and tracing the flow of goods and information, blockchain helps"}]}],"pr":"b7cbda0d621b3bed2945ff0feaa659043a272fc5b43359d2334276f4f3a198c5"}