{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the impact of blockchain technology on the data privacy and security of IoT devices?","a":"Data encryption and protection: Blockchain technology adopts encryption algorithms such as symmetric encryption and asymmetric encryption to encrypt the transmission and storage of IoT device data, ensuring the security of data during transmission and storage."}]}],"pr":"888e946a4e651b03e162d8534f0709fe508a8e1a0d2a506fd6ebd8d80b42fce0"}