{"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":"Data anti-tampering: Through encryption algorithms and timestamp technology, blockchain technology ensures that data in the identity authentication process cannot be tampered with, thereby ensuring the security and reliability of  identity information."}]}],"pr":"1c5718dc1ad859652bc61052aeaa494c856538aed589b4c2e4abd20c05b774b8"}