{"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":"Analyze the source code of the existing blockchain protocol to  understand the implementation of transaction versions and related parameters."}]}],"pr":"d0fc3be28138c51aa89e9b92e22f57df93606999fad117602ef99f70437e5e31"}