{"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":"0c4e20e8b04ae1448b0e4a59e94db604fc9130a5955715c426b6516ab4e2b718"}