{"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 security: Blockchain adopts encryption algorithms to ensure the security and tamper-proof nature of transaction  data, effectively preventing fraud and other malicious activities."}]}],"pr":"4b8060a90efdedd351b8efeac8f32226e295151b5980ba3e36f27da9b3c190cf"}