{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the distributed storage of blockchain improve data security?","a":"The distributed  nature of blockchain enables transparent and traceable data storage"}]}],"pr":"89c9e37ed2826460d4351954e384c90555470ccb749b386d3163c19e3d2d34da"}