{"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":"2188bc52569e2dcda73acbea4b8fb1652b2bff4903ae8aa612653c10e8a88bc9"}