{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application areas of blockchain technology?","a":"Internet of Things and logistics field: Blockchain technology can be used to reduce logistics costs, trace the production and transportation  process of goods, and improve the efficiency of supply chain management."}]}],"pr":"0d82086dc6df22750d1b9aaf279340ce52b815a967a17e1b69e6e4c6b87b5129"}