{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the problems of data security and privacy protection?","a":"Decentralization: Blockchain adopts a decentralized network architecture, where data  is not dependent on a single central node for storage and management, but is distributed across multiple nodes throughout the network, reducing the risk of data breaches."}]}],"pr":"9f780c94563ddb6a4b5315da1eeccbfa20584fc6519062f2b009f37ea26ac148"}