{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the construction of smart cities?","a":"Improving data processing efficiency: The strict timestamp mechanism and tamper-proof, traceable characteristics of blockchain technology help  enhance the accuracy of big data analysis and artificial intelligence algorithms. This enables more effective processing and utilization of data, thereby promoting the development of smart cities."}]}],"pr":"425bacb52d7cc25258bb8a5e8ea378e22d8e965de182db4df9c5853505e2b26c"}