{"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":"25dfd07cdf76664d9d20eb50924208124464d6b7ee7dc66a97645abb7a28c8b4"}