{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the significant importance of blockchain technology for digital identity verification?","a":"Data security and reliability: Blockchain  technology has the characteristics of being tamper-proof and impossible to delete, ensuring the security and reliability of user information, and helping to establish a trust mechanism."}]}],"pr":"40530a07d29eb51af1eb19ac0d48ca9f6fdf427d8dc4f1f383a1ae0e58b3a1fd"}