{"p":"can-20","op":"mint","tick":"can","amt":"997","rows":[{"df":"qa","content":[{"q":"区块链的交易确认时间对用户体验有何影响？","a":"区块链的交易确认时间长会影响用户体验，不利于实时交易和快速支付。"}]}],"pr":"fdfc959590b5085d7e075748b5c079640068688b89566cf7680a39dd7cd52951"}