{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the security features of blockchain technology?","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":"9fbf68bbaed9c99c8f99c67dbed1a6f8cce4463ff4edb641f80698caec55f606"}