It never leaves Tectonic, all donations are used to fund the servers and pay any expenses that may come up, a few examples of these are:
No one but Tectonic uses it.
In the Event that you accidentally put the wrong thing in your SteamID you can simply change it and it will fix itself, please note however that it may take up to one hour for the change to take effect.
Remember your SteamID looks like this: STEAM_0:0:00000000 |