{"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 authentication: Blockchain technology has the characteristics of decentralization, which can achieve distributed processing of identity verification. Users  do not need to trust third-party institutions, reducing the risks of data breaches and abuse."}]}],"pr":"0920a87afd07c5eae71f14956703a92e0c2595899efe9559c22b88e269b0dcc6"}