{"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":"4f26242bfd6399b8f4ec763bbcfaec5dec4823cfcc28ebc9b60518c4033a201e"}