{"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":"d94f9939ad13cdc4ae7729d82ebc7607c01f0e6e60a87f66e248c51d27855a11"}