{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to balance the expiration time of transactions in Solana?","a":"Network conditions: Observe the current network  congestion situation and set a reasonable expiration time based on the average waiting time. When the network is busy, the expiration time can be appropriately extended to avoid transaction rejection."}]}],"pr":"598ea7cf54d85f9f4ce717312eb20d448219e2c64a7cb60c958fed0a1d5544d8"}