{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology impact the trust level of IoT devices?","a":"Data privacy protection: Blockchain technology uses encryption algorithms to protect the privacy of data, ensuring that users' personal information and transaction data are not abused or leaked. In the IoT environment, this means that the security of devices and user data is effectively guaranteed, thereby increasing trust."}]}],"pr":"894afc746b17bf0638f4824805614479f7ca73e77b6a6d7d9d3aa7fbe212df85"}