{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain smart contracts in the Internet of Things (IoT) field?","a":"Data Management: Blockchain can serve as a trusted data management tool in IoT systems, ensuring the authenticity, security,  and traceability of data. Through blockchain technology, IoT devices can achieve real-time data sharing, exchange, and verification, thereby improving data processing efficiency."}]}],"pr":"2a50037bc294f278259784f0d68c9a679cebcad0439f78c76c5b041ee179a191"}