{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is backing up the priv_validator_state.json file so important during the blockchain upgrade process?","a":"Privacy: The priv_validator_state.json file contains private key information of the validators, which has high privacy in the blockchain network. Backing up the file ensures that the validators' private keys  will not be lost or leaked during the upgrade process, thus maintaining the security of the entire blockchain network."}]}],"pr":"f1213075c50e8c0c1084f3b4834130e2b5525085206afd6edbea1a8e6547b7bf"}