{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the current issues with blockchain applications?","a":"Energy Consumption: The consensus mechanism of blockchain (such as proof of work) requires a large amount of computing resources, leading to excessive energy consumption,  which not only increases costs but also affects the sustainable development of the environment."}]}],"pr":"55048101a68dc5827b8c18442aaea2cfda59a348c4f2299e971fadad5b49863a"}