{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology address data security and privacy protection issues?","a":"Cryptographic protection: Blockchain technology uses cryptographic algorithms to encrypt data, ensuring the confidentiality of  the data. Only users who possess the decryption key can access and process the data, effectively preventing unauthorized access."}]}],"pr":"9fad73ac5025409d4b87d69b643ed42787a19bd9cb6e7061793f43b434e2f991"}