{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security risks associated with smart contracts in blockchain?","a":"Denial of Service (DoS) attacks: Smart contracts  may be subject to DoS attacks, where attackers send a large number of requests to paralyze the smart contracts."}]}],"pr":"1e75af7a48b92d77d5af65164810c355ee41df8e2531b1bfa851caf7e0b314c1"}