{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure security?","a":"Decentralized architecture: The data storage and verification in the blockchain network are distributed across  multiple nodes, avoiding the security risks of a single central node and improving the security and reliability of the entire network."}]}],"pr":"2ed6bc1d0bf5d01544ef511aee2d9ea16ecc4f438bde52647c1c6adce12a08da"}