{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology upgrade the management and authentication of IoT device identities?","a":"Each IoT device has a unique identity identifier, which is a private key and public key pair. This identity identifier enables the device to become an independent participant in the network and have the ability to interact on its own behalf."}]}]}