{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology integrate with the Internet of Things to apply to the construction of smart cities?","a":"Data security and privacy protection: Blockchain technology has the characteristics of decentralization and immutability,  which can provide secure and reliable data storage and transmission for IoT devices. Through blockchain technology, sensor data and user information in smart cities can be securely stored, effectively preventing data breaches and tampering, while ensuring that citizens' privacy is fully protected."}]}],"pr":"8c1b0ea71f1bace83cbbf93c3ac4850f4f70ac4a8f18de22c9eec542892cc9f8"}