{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications and advantages of blockchain technology in the Internet of Things (IoT) field?","a":"Security: IoT devices are widely used in various fields, but they are also vulnerable to hacker attacks. Blockchain technology has decentralized characteristics, which can ensure the security of data and prevent hacker intrusions. In addition, blockchain technology uses cryptographic  methods to protect the integrity and privacy of data, reducing the risk of data breaches."}]}],"pr":"8d5a139fac9fd6a23afc14a5afafc24a4bdeb080c848f6be7f489fbd5105258b"}