{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to environmental protection and sustainable development?","a":"Carbon Emission Trading: Blockchain technology can provide efficient and fair data  recording and trading mechanisms for the carbon emission trading market. By storing and managing carbon emission data in a decentralized manner, the authenticity and credibility of the data can be ensured, thus promoting orderly transactions of carbon emission rights."}]}],"pr":"7066284834dcbb75dbc278f4323406a90e58fa1962f9676f01de2319af370096"}