{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In Solana, how to configure the expiration time of transactions involves what kind of trade-offs?","a":"Network Latency: Consider the stability of network transmission  and the communication speed between nodes in different geographical locations. A longer expiration time can tolerate a certain degree of network latency, but setting it too long may lead to congestion and performance degradation."}]}],"pr":"498e2d2bcef3a548546fbe583203d28ca9cdb7070575d5827517150542e8745b"}