{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do smart contracts in blockchain promote the security and transparency of transactions?","a":"Transparency: The openness of the blockchain network allows  for the monitoring of transactions by all participants, which increases transparency and prevents fraud."}]}],"pr":"e2e10f8f11aa65ebfa3efb9bc19ff1b7b651982b0c716d88504e6ba942c35a2a"}