{"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":"2371ce809893bdcf705c61c4938a14bfe512261baa3b403cfab26cb826fdb5ed"}