{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology contribute to the development of smart cities?","a":"Information security: Blockchain technology adopts encryption algorithms, ensuring  high security during data transmission and storage, effectively preventing data breaches and tampering, and safeguarding the information security of smart cities."}]}],"pr":"7554f2dbbf342a189be4bcc11af03407af1bdb9bcdb88b3c0d1d334e1960e084"}