{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the impact of blockchain technology on environmental protection and sustainable development?","a":"Promoting the development of green industries: Blockchain technology can be used to track and verify the production, transaction, and consumption process of green products, ensuring the transparency and credibility of the green industry. This will help enhance the competitiveness of green products in the market, promote the development of the green industry,  and drive sustainable production and consumption."}]}],"pr":"8fc0f91fc2e6511dee8232335913ef10054568c502ba626236c65f2c84e82b37"}