{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain solve the problem of cross-border payments?","a":"Fast transaction speed: Blockchain technology has  high transaction processing speed, allowing transactions to be completed in a short period of time."}]}],"pr":"c605c012ef83ab674c0aeb6eeeaeccf771d5d1f2d9a87e3d16e2156c1b735ae1"}