{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security risks associated with the delegation token verification process in blockchain?","a":"Integer overflow vulnerability: In token smart contracts, if integer variables are not handled properly,  it may cause integer overflow. This vulnerability can lead to abnormal contract execution results and even provide opportunities for attackers."}]}],"pr":"982d1a9f36d1b3292f0bda7de41fc135aecde1fe2f85ffb50634321a1537a7ca"}