{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain be applied in the Internet of Things industry?","a":"Device identity authentication: By utilizing the immutable  characteristics of blockchain, IoT devices can be provided with identity authentication services to ensure secure communication between devices."}]}],"pr":"ceba7f739671f4ab86a01c3415c6f12e2b59abe066c8fee676f4a3c9f34fa259"}