{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the risks involved in the process of blockchain upgrading?","a":"The upgrade process may be affected by regulatory changes or interventions, which may lead to uncertainties and  potential legal"}]}],"pr":"f4aeffc5af35d566a13127d83259ae434db69675dcbacf89a5c68e3510be1dbb"}