{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application scenarios of blockchain technology in the Internet of Things (IoT) field?","a":"Data Trading and Security: Blockchain technology can provide  a secure and reliable foundation for data exchange between IoT devices, realizing orderly trading and value transmission of data assets."}]}],"pr":"2f89fecf88b24d7a89bc098d925e74e9bae100b85c5dcc09097d19f3df6a9828"}