{"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":"664bc5c3f84ee0a307a1bb752420b2075da203adac9dda2d4aaaf1a496208ac8"}