{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the significance of blockchain technology for information security?","a":"User Identity Authentication Protection: Through its decentralized characteristics, blockchain technology enables the authentication of user identities, avoiding the security risks posed by  centralized authentication systems. Meanwhile, the data in blockchain is tamper-proof, ensuring the authenticity and reliability of identity authentication."}]}],"pr":"7d6ff6182b50387a9fb988be4595f6904f428ced6dbbbc9a98718fa147705817"}