{"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":"5fd5ef9f8c5249f04afbbb28626b458dfba0f3eded4b0797154c7e48a79ee84b"}