{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the smart IoT applications in the blockchain?","a":"Data security and privacy protection: Once transaction records are generated in blockchain technology, they cannot be tampered with. This makes  blockchain an ideal way of data storage and transmission, helping to ensure the security and privacy of data in the Internet of Things."}]}],"pr":"e18fa99affdfcbe3e07c61ee5061098d4912e04d1a64e0f9372858bc283e3b20"}