{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in digital identity authentication?","a":"Reliability: The data in the blockchain cannot be tampered with or deleted, ensuring the reliability of user information.  This prevents unauthorized modifications or erasures of sensitive data, providing a more secure identity verification process."}]}],"pr":"ef3e451ab1fb82402b9228afacdb4d1a3289fa3a405bdbc69f0e6bc206a99153"}