{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology address environmental and sustainability issues?","a":"Renewable energy utilization: Utilizing renewable energy sources such as solar power and wind power in blockchain systems to provide  electricity for the blockchain network. This will help reduce dependence on traditional energy, lower carbon emissions, and enhance sustainability."}]}],"pr":"4ef434bee3d099ce9e01316bf6d4dfd3fd304e3cf8a92889bf17f29958fc3364"}