{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do consensus mechanisms in blockchain ensure the legitimacy of program operations?","a":"Transaction packaging: Nodes in the blockchain  network (also known as computers) will package transactions into blocks, then send them to the network for broadcasting."}]}],"pr":"4f234c11d9f59f56677afc65fab579bfb34c68059c6a051d4f5ac5be9b7fef54"}