{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application scenarios of blockchain?","a":"Voting and vote counting: Blockchain  technology can ensure the fairness and transparency of the election process, preventing cheating."}]}],"pr":"0a477037b10c2897c5115a91697fe9ea56a81e59b35d03f6bcbbf98a760fa4d7"}