{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the relationship between blockchain and IoT technologies?","a":"Device Identity Verification and Traceability: Blockchain technology can provide decentralized identity verification mechanisms for IoT devices, ensuring secure and reliable communication for devices in the network. At the same time, blockchain technology can also provide a tamper-proof traceability system for IoT devices, ensuring the security and reliability  of data transmission and communication."}]}],"pr":"86bb10b6ab8dc59833292a554f9571732540be145a93936e46a7e4855d3c9c98"}