{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain address environmental issues?","a":"Carbon emission trading: Blockchain technology can be applied to the trading and registration of carbon emission rights, ensuring the accuracy and reliability of carbon emission data. This can help to establish a fair and transparent market for carbon emissions, encouraging companies  and individuals to take active measures to reduce their carbon footprint and contribute to global climate change mitigation."}]}],"pr":"5aa5ed65fea5e5aa8d324bc110ec022a912baa02052c5108c89488698583963e"}