{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the common security challenges of blockchain technology?","a":"Network Attacks:  The decentralized nature of blockchain makes it less susceptible to traditional network attacks, but attackers may try to paralyze some nodes by launching distributed denial of service (DDoS) attacks, thus affecting the stability and security of the entire network."}]}],"pr":"087056740e1e5149e314a820b4521e997f144deaf23cba1ec277df15cc2d4d38"}