{"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":"Decentralization: Blockchain technology replaces traditional centralized data storage and management methods, realizing decentralized data storage  and management. This can"}]}],"pr":"b361d5cffd50f4fd12881dd2081128c6c767f59b6180ab3062fe8f4ce70e67ad"}