{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the proposed updates to the binary options market parameters?","a":"Expiration time: Set the expiration time of the binary options contract so that traders can  understand the remaining trading time."}]}],"pr":"f5e2bb5060e4be3e33ddcfcf54f2e77e52fd1bbdb3fd09bf866b67e4160cd345"}