{"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":"Create  a smart contract: First, you need to write a smart contract to handle transactions and set the maximum supported transaction version. In the smart contract, you can use the `require()` function to check the transaction version number."}]}],"pr":"f71f65623ef452879bb3f396eb45eb8c4cb6a19bcefff54e4659b0c39951073d"}