{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the security in the IoT sector?","a":"Decentralization: Blockchain technology adopts a distributed  node consensus mechanism, eliminating the security risks caused by centralized management and reducing the success rate of hacker attacks."}]}],"pr":"6db1d80481f18f9eba9c97789a7e649daa01a6ea53fabfc556db79d5a44afb5b"}