{"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 identity verification: Traditional identity verification processes depend on governments or third-party institutions, while blockchain technology achieves decentralized identity verification. Users can  directly verify their identities through the blockchain, without needing to trust third-party institutions. On the blockchain, each user's identity information is stored in a block, and each block contains the hash value of the previous block, forming a complete identity information chain."}]}],"pr":"92d92753f1e7c8ba8ea7d1cd1d1b117d5bd320962270e55ca609f522b40abc9a"}