{"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":"5afbf6c137d2bbc7c848a789d23437c5473040f810c0282bd660c48bc0fea67b"}