{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the precautions to consider when deploying smart contracts in blockchain?","a":"Deployment Backup: After the smart contract is  deployed, back it up to prepare for potential issues or updates in the future."}]}],"pr":"a782fcdcae118ef3097567d98cea92e1cebc8684fbb7cd4cc113faa7ab87fffb"}