{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain impact the security of IoT devices?","a":"Immutability:  Once data is recorded on the blockchain, it cannot be altered or deleted. This feature prevents unauthorized modifications to IoT devices' data, adding an extra layer of security."}]}],"pr":"2672a1bf4698db4df03982c1fd4b670b9abd49ccc24acf9e8bb6e21b58c9f908"}