{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security risks that blockchain upgrades may pose?","a":"Smart contract risks: Blockchain upgrades may cause compatibility issues with smart contracts, leading to  vulnerabilities being exploited by malicious attackers, causing asset losses."}]}],"pr":"986a9cd2972b27fb3cd8c0ce25bc28c3c42bb56ac3c37b2ca5011cba510c7fcb"}