{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are some typical use cases of smart contracts in the blockchain?","a":"Internet of Things (IoT): Intelligent  contracts can be used to handle data interaction and value exchange between IoT devices, ensuring the security and reliability of devices and data."}]}],"pr":"ed648a839c031a1db2dee9aa6f5d28ebd84833cab57b372ab01fa675445e4a45"}