{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the relationship between blockchain and the Internet of Things (IoT)?","a":"Data recording and traceability: Blockchain can record various data in  IoT, such as product origin, logistics processes, transaction information, etc., and achieve traceability of data through distributed nodes. This helps to ensure the security and transparency of data in IoT."}]}],"pr":"d7043e3e3bacf9328d248160eeb82db12714224c89cc644a36a5dd670f40bc42"}