{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology improve the security of digital identity management?","a":"Controllability of identity information: Blockchain technology allows users to have control over their identity information, enhancing privacy and security. Users can grant or revoke access to their identity data as needed, making it more difficult for unauthorized parties to obtain and misuse personal identity information."}]}],"pr":"9896bb628b9948ebda33b0a5f7c75a1f238f060b2df17e5d6403984723773219"}