{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to authentication and verification?","a":"Distributed storage and encryption: Blockchain technology utilizes distributed storage, storing users' identity information on various nodes of the blockchain to ensure data security. Meanwhile, blockchain technology employs encryption algorithms  to protect identity information against data breaches and tampering."}]}],"pr":"dbf2fa5548b23c2a0673cc4e8f909bcfef9bae9b80f89442146c097f2d3dca22"}