{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application prospects of combining blockchain and Internet of Things (IoT)?","a":"Supply Chain Management: Through blockchain technology, real-time monitoring and tracking of production,  circulation, and sales of materials can be achieved, improving supply chain transparency, reducing logistics costs, and ensuring the authenticity and credibility of data."}]}],"pr":"2a6d7ab393311ccf09d490e3c12e64d997d4069fccc9b7de504ea6c9cd431b6e"}