{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the unexpected situations that may occur during the blockchain upgrade process?","a":"Community division: If the upgrade plan does not sufficiently solicit community opinions, it may lead to some nodes  refusing to upgrade, causing the community to split."}]}],"pr":"2a19931916813e026ff455f200085b937140adff1f30b29d4a929a2628205e18"}