{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology upgrade the management and authentication of IoT device identities?","a":"Blockchain technology ensures the integrity and security of data by using cryptographic algorithms and  distributed ledgers. This prevents unauthorized access and tampering with data, providing a more secure and reliable data storage and transmission mechanism."}]}],"pr":"d35bdaa08600d950d0c995727a508cdcf6556509b7b71d8b9739f11587969502"}