{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can the security of blockchain technology be ensured?","a":"Decentralization: Blockchain technology adopts a decentralized network architecture,  with data stored on multiple nodes, thus avoiding single-point failures and the risks of concentrated attacks."}]}],"pr":"a48c0f0e2878600b73e0a41b9acc68d56b3785044460e50bd2537e19b6ac46fe"}