{"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":"Before deploying the smart contract, conduct thorough testing, including unit tests, integration tests,  and end-to-end tests, to ensure that the contract functions normally and has no security vulnerabilities."}]}],"pr":"f0afc05c5e4680a230badf664fca06552639da23a43919839b73599bc46ae1d1"}