{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the issues related to blockchain security?","a":"Data Security: Although blockchain technology itself has high security, the data storage and transmission on the blockchain can  still be attacked. For example, hackers may steal user data through phishing attacks, cross-site scripting attacks (XSS), and other means."}]}],"pr":"a9b9a7631ff976c7aaeb90d14df77a71345877c8e134de63bc725613724e2edf"}