{"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":"86c340904c9516e275adc018f4df6036ecc020ace64df7db4ef16a20e6d86518"}