{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in smart cities?","a":"Decentralized Data Management: Through the decentralized characteristics of blockchain technology, real-time monitoring and analysis of urban infrastructure and public service data are  achieved, improving the security and reliability of the data."}]}],"pr":"13e46d77ece7f96352911fafa657937505d9ccd9434934fe96c0e494c2ba965d"}