Verifying a donation?

Why not have the server listen to pubsub and have the server tell the client what happens?

Three Reasons:

  1. Because I cannot subscribe to more than 50 events through PubSub using only one one connection.

  2. Because it is recommended that a single IP Address subscribes to no more than 10 events.

  3. Making the server do that may require high processing power, which may force me to pay for a fairly expensive Virtual Machine rather than using a normal Web Hosting service.