{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the security and trustworthiness of devices in the Internet of Things (IoT) field?","a":"Build reliable smart contracts and distributed applications: Blockchain smart contracts execute and verify contract terms in a decentralized environment, ensuring the rights and transaction  reliability of all parties."}]}],"pr":"ffc6ce6172146803fbfe660ad798f1198139823bd26eae8bc0135c0bd45b79c3"}