{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How should errors be handled during the blockchain upgrade process?","a":"Implement the repair plan step by step, and continuously monitor the progress to ensure that  the error is effectively resolved"}]}],"pr":"a2c70c9ca16d280ea95e10282d52ab1ed88f4d93b12b574c3f2e2372786de3ed"}