{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the future development directions of blockchain?","a":"Deep integration: Combining blockchain technology with emerging technologies such as artificial intelligence, big data, and supercomputing, jointly building innovative applications such as virtual  cities, providing efficient and secure urban management and public services."}]}],"pr":"0de176dd62fa8822157db71d3c2f4a8d5747811d7751d27b3eee4a2e7d129727"}