{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure security?","a":"Consensus  mechanism: The consensus mechanism in the blockchain network (such as proof of work, proof of stake, etc.) ensures the joint participation and maintenance of network nodes."}]}],"pr":"94d594454441870a515020590651fb2a11d592d337a04e6249467d50de47cf08"}