{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the security problem of IoT devices?","a":"Data Protection: Blockchain technology can ensure that the data collected by IoT devices is not stolen  or tampered with during the transmission and storage process. By using blockchain, data can be encrypted at the source, then securely transmitted throughout the network, ensuring the authenticity and integrity of the data."}]}],"pr":"480f1c9b3bf018c32145a4004094ee4cecaad2a34d5dff8be037c55afdc64d66"}