{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied to enhance security in digital identity authentication?","a":"Immutability of data: Blockchain uses encryption algorithms to ensure that once data is recorded in a  block, it is difficult to tamper with it."}]}],"pr":"29cf59e65970d99686d741a6c684150463f7028ce9db159c642029644050ee8f"}