{"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":"f2f1bc2dd9410edc3cb376ad45d8f7bfdce54ad8b3b69d43f5299902a00c2b1f"}