{"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":"f86b7d8f6bd1d8a23f96f6a59e22efd0edd7a170222cf1c9eb57e6cd49bb4fba"}