{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can I query the height of an upgrade that has been applied on a blockchain?","a":"Analyze block data: After obtaining the latest block data, determine the upgrade application height by analyzing the block height. Generally, the block with the special transactions  or markers indicates that the upgrade has begun to apply."}]}],"pr":"d503a588fadc8e10c7482136babf991e1af680ed3719f7faf979f63f1967e1e9"}