{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Does blockchain technology have a positive impact on environmental protection?","a":"Green energy transaction: Blockchain technology can enable peer-to-peer green energy transactions, reduce losses in the energy transmission process, and improve energy utilization efficiency. Through distributed energy trading platforms, consumers can  purchase cheaper and cleaner energy, thus promoting the development of renewable energy."}]}],"pr":"7d939f0401c3c63f8e63ddb0d23acd2608a54bcf0a6a43d3b11d9a0bfa3744d0"}