{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to optimize the construction of blockchain smart contracts?","a":"Ensure the security and reliability of contract code: When writing smart contracts, strive to maintain a simple and clear code structure, follow best practices, and  avoid using immature or vulnerable technologies. In addition, fully test the contract code to ensure it can operate normally under various circumstances."}]}],"pr":"2bac2b67aa898069480014725598e65120d488e9ec8bf0ca78025a2c95b77102"}