{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure security?","a":"Decentralized architecture: Blockchain adopts a distributed database, storing and validating data across multiple nodes,  thereby avoiding the security risks of a single central node and increasing the security and reliability of the data."}]}],"pr":"c1572728a7975d7d53da1d33e90870f88daa358e4abfd06a3ec1f35336a13302"}