{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why does blockchain technology have high security?","a":"Decentralization: Blockchain technology adopts a decentralized approach, not relying  on any centralized institution, thus avoiding single points of failure and attack, and improving the system's security."}]}],"pr":"6a08f5c3d8348c030b90b8ee23b2fbda9336f912d537bace4cb19c7f34b9ec00"}