{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the process of handling mature futures markets expire in the blockchain?","a":"Opening  position: Both parties perform opening position operations on the blockchain, that is, the buyer buys futures contracts, and the seller sells futures contracts. This process is automatically executed through smart contract technology."}]}],"pr":"da98821d54b05d637630e77961e2e044e249eca7c8cef4c15ec28e5318800317"}