{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security risks in the blockchain field?","a":"Security risks: Due to the decentralized nature of blockchain, participants may face network security risks, such as phishing attacks, wallet attacks, 51% attacks, etc. In addition, the more nodes there are  in the blockchain network, the greater the network security risk."}]}],"pr":"d1f39926759a00d3ddd015c1d8f63ab2d15526f057bd508609620fcd5f35e0d3"}