{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied in the field of public services?","a":"Decentralization: Blockchain adopts a distributed network architecture, not dependent on  centralized servers or institutions, which helps to reduce the risk of single-point failure and improve the stability and security of the system."}]}],"pr":"1e2eac75781d4def75a070888b3753d8919dbd34f4da787ad520fe589e9f0a17"}