{"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":"Decentralization: Blockchain technology adopts a decentralized network structure,  storing data on multiple nodes in the network, avoiding a single centralized data storage and management, and reducing the risk of data breaches."}]}],"pr":"5d08c7c19be91e5b573fb237adf4be73d264e9bacedbcc5709bcad319a281b87"}