{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of combining blockchain and IoT?","a":"Privacy Protection: A significant amount of data collected by IoT devices contains personal privacy information. Blockchain  technology protects the privacy of data by using encryption algorithms, allowing only authorized users to access and use the data, thereby safeguarding personal privacy."}]}],"pr":"5acca32f65887f4ecda7f3536d6b10b9e2a3e0aafd915281222f2c3f254c2500"}