{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the transfer rules of blockchain smart contracts in blockchain?","a":"ncentive mechanism: The smart contract system encourages participants to perform honestly and efficiently by means of incentives, thus maintaining the"}]}],"pr":"70838a99055ae1c2a107e30b92be77dc360a667fcb1e15447ae232fbc95d5c51"}