{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"区块链可以应用在哪些领域？","a":"区块链可以应用在数字货币、智能合约、供应链管理、医疗保健、物联网等多个领域。"}]}],"pr":"42d400a5587261d0937fc82968acb26547d94f6b4f22e6ec801925050432dfa9"}