{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of binary options market in the blockchain?","a":"High transparency: Blockchain technology makes the  trading information of the binary options market more transparent, with all transaction records being publicly disclosed on the blockchain, helping to eliminate information asymmetry and improve market fairness."}]}],"pr":"e7fe46c1ca36943e1ac4761b106da68d90f6f22a23951d5a41921540723bf33c"}