{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The proposal for launching a binary options market in the blockchain contains which parameters?","a":"Expiration Time: Sets the expiration time of  the binary options contract, which can be minutes, hours, days, weeks, or months, etc."}]}],"pr":"eab02fbd28bc823ab2184bd202c0f4e20753ed28ffcd25c2777dbf2e99ea5fe5"}