{"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":"ac8c8970c95d555532311a95b0de42429d1eef12a00ee26439ba4eb1a5c4dd77"}