{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do I set the maximum supported transaction version in a blockchain?","a":"Modify the source code  to support the required parameter settings for the new transaction version. This may include updating transaction validation logic, adjusting network transmission protocols, etc."}]}],"pr":"067fa990efb098466f09990929115bcb9ecaf68e6f1dd980d126dc67e6c80d9d"}