{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the functions of the blockchain technology upgrade module?","a":"Optimizing consensus mechanism: The upgrade module can modify or improve the consensus mechanism to ensure  the smooth operation of the blockchain system and enhance its stability."}]}],"pr":"72d0662dccd030a943e6fcc4bb2f310db6f9a66c32602a01499ce6a31c6f14c1"}