{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to digital identity verification?","a":"Decentralized storage: Blockchain technology stores user identity information through distributed nodes, ensuring that data is not tampered with and avoiding security risks associated with centralized systems. Once user identity information ischain, real-time global query and verification can be achieved, improving the reliability and credibility  of identity proof."}]}],"pr":"e41da71508826487b801bf60f0d517cb8faf60156d64ad4a004b0098e45c8bfb"}