{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the necessary conditions for the process of blockchain version upgrade?","a":"Community Consensus: Before the upgrade, community members need to reach a consensus on the upgrade plan  to ensure the smooth progress of the upgrade process."}]}],"pr":"66e40918c58d4018c8ff61d4618d1ce2f1fe38dda1e7889b1ee234dd9ffdf48a"}