{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security risks in the blockchain field?","a":"Technical risks: The blockchain technology itself is still constantly developing and improving,  and there may be potential technical vulnerabilities and defects, such as smart contract vulnerabilities, consensus algorithm defects, etc. These vulnerabilities may lead to hacker attacks and data loss."}]}],"pr":"128f991e7751d58ce4abe6c33045d31ec8a35c577bbc811cf552110775ac0066"}