{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications and advantages of blockchain technology in the Internet of Things (IoT) field?","a":"Privacy protection: A large amount of data collected by IoT devices contains personal privacy information. Blockchain technology protects data privacy through encryption  algorithms, ensuring that only authorized users can access and use the data."}]}],"pr":"2cc18860804ca66554f37f961d05f3a29d6bcae7d8d2edadd7b2bc3dfa3ca98a"}