{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the environmental value of blockchain technology?","a":"Pollutant emission monitoring: Blockchain technology can monitor pollutant emissions in real-time, ensuring that enterprises comply with environmental protection regulations.  By uploading monitoring data to the chain, achieving data that cannot be tampered with or traced back, it helps to combat environmental violations."}]}],"pr":"f8f56623cef6cd115152521b6347f14c87382e6b97b3b6b522ed27de9de2e572"}