{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the privacy and security of users?","a":"Decentralization: Blockchain adopts a decentralized network architecture, where data  is not stored on a single node but distributed across multiple nodes. This decentralized feature makes it difficult for attackers to infiltrate and tamper with data, thereby improving the security of the data."}]}],"pr":"d7b08165300e359780e4cba3d22ef6d5a84c390713861eed74ab572d80b2f5cc"}