{"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":"eda8b739b59473d72b5d97fcd9b848c5de5acf9b238b46488487026940e39001"}