{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of smart contracts in the financial sector?","a":"Securities trading: Smart contracts can be used to automatically execute securities trading instructions, improving transaction efficiency and reducing trust costs."}]}],"pr":"654e84dfe8324a7da66fc4ce37ec8dc92fa36958a7b93060c5fe4567b0809222"}