{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the important considerations that validators and operators should attention to during the blockchain upgrade process?","a":"Data backup:  Before the upgrade, backup all essential data to prevent data loss in case of any issues during the upgrade process."}]}],"pr":"705c6e0485f536a937637cb360addb899a46fbd29c5fbc8cad74c13f0109b96c"}