{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to verify the legality of uploading and deploying blockchain smart contracts?","a":"First, ensure that the source code of the smart contract is written correctly and follows relevant programming guidelines. Generally, smart contracts are written  in languages such as Solidity."}]}],"pr":"b87e27ac7eafac74c160075ca2bcfbaeb6fe34cbf59b33357a1f96931300f357"}