{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to environmental protection and carbon emission reduction?","a":"Promoting the development of carbon trading markets: Blockchain technology can simplify carbon trading processes, enhance transaction efficiency, and reduce transaction costs, while ensuring the rights and interests of both parties through smart contracts."}]}],"pr":"d794f4c1f4c562e9220d89f83f3475511fb552e557d4222d048187552e5c6bda"}