{"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":"IoT Device Authentication and Management: By utilizing distributed ledger technology of blockchain, secure and  reliable authentication and management services can be provided for IoT devices, preventing unauthorized devices from accessing the network and ensuring network security."}]}],"pr":"e2ade09661c12da785394e6f13cafb764d1c0764e5242460453cc8a2cdec6b06"}