{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are some common security vulnerabilities in smart contracts on the blockchain?","a":"Code vulnerabilities: Programming errors, such as bugs, vulnerabilities, and  logical errors, may exist in the code of smart contracts. These errors can cause the contract execution to deviate from the developer's expected target, resulting in security issues."}]}],"pr":"c1a2b423cb40da034d7967355e46176a95ea17f6e5b910c95aecc65ece5da9dc"}