{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the relationship between blockchain and IoT technologies?","a":"Data Security and Privacy Protection: Blockchain technology has the characteristics of decentralization and immutability, which can provide secure and reliable data storage and transmission mechanisms for IoT devices. Under the guarantee of blockchain technology, data exchange and sharing between IoT devices will be safer, effectively preventing data breaches and tampering,  and ensuring that user privacy is protected."}]}],"pr":"d2d4230491241a037991b69fa65e07f58fa9e1981f2191bc668651f7ee5b8cb5"}