{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve digital identity protection?","a":"Blockchain technology enables fine-grained  permission control, allowing individuals to have different levels of access to data based on their roles and responsibilities, thereby"}]}],"pr":"182a8c55f23cbfaacf03cd1931e56b4712d96ee3415f50a9e25483c69a4751f4"}