{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to the management of IoT devices?","a":"Decentralized Identity Authentication: Based on the blockchain, the identity authentication mechanism of IoT devices can be  decentralized, avoiding security risks and single-point failures caused by relying on a single trusted third party. Through cryptographic technology and consensus algorithms, the security and reliability of device identities can be ensured."}]}],"pr":"638ce9bbf509f26a30f1a9604c8e932bac1c83175feefe8ebdbf78673bc6de32"}