{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the security of private data during transfer and usage?","a":"Decentralization: Blockchain adopts a distributed  node consensus mechanism, storing data on multiple nodes, thereby avoiding a single centralized data storage and management system, and reducing the risk of data breaches."}]}],"pr":"4e7a499644a59c413f3e374db4f267eec657f8d59b265b1d38f9c6d8dea36b7d"}