{"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":"285201b103e45b0ef729b37adab300ca2745743d506b5a132054d36040afe9f6"}