{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to handle risks during the blockchain upgrade process?","a":"Full testing: Before the upgrade, conduct sufficient testing on the new blockchain  version to ensure that its functions operate normally and avoid problems in practical application."}]}],"pr":"9d05b4cf556fe2608db82b38a8ce8835857d61ab1da55fa72d9b3652eac7218e"}