{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of blockchain in digital currencies?","a":"Data transparency: Blockchain  technology allows the circulation records of digital currencies to be public and transparent, helping to combat money laundering, corruption, and other illegal activities, and also facilitating supervision by regulatory authorities."}]}],"pr":"12a441917c8bdfdb6e9e068e075661fb5b0abd51ed7a1476b4c736d5cc343f96"}