{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of digital identity verification?","a":"Decentralized identity  verification: Blockchain technology has the characteristics of decentralization, which can achieve identity verification without relying on third-party institutions. Users can conduct autonomous identity verification through blockchain technology, avoiding the leakage of identity information to unreliable third parties."}]}],"pr":"db7deb30f990994a56a257186df4e586a59c649168c4d8d5b5d2b46a5ccd98d4"}