{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of electronic identity authentication?","a":"Decentralized storage: Blockchain technology adopts a decentralized storage method, distributing user information on multiple nodes, thus avoiding the risk of centralized storage being easily attacked by hackers."}]}],"pr":"06411fcc2ee402e6b7f50c14bc768d26ec211aab31c36e46aa943378c2b55434"}