{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How bright is the future development prospect of blockchain?","a":"Policy support: The implementation of relevant policies and regulations that encourage the research, development, and  application of blockchain technology"}]}],"pr":"a1da2a58d56f4c1f3a0eb46ce4037148ddf7d7eeec59dddc1208afe286bceb00"}