{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve transaction transparency and security?","a":"Consensus mechanism:  The consensus mechanism in blockchain networks (such as proof of work, proof of stake, etc.) ensures the legality and security of transactions."}]}],"pr":"5af010f5761f9799d1685e7bbd6bc7eb86633fcf9a71b0b57e4f3cabdf8f8c02"}