It's a fun little feature the site has, but I don't pay too much attention to it. You can rob people, buy lottery tickets to get more, and you always receive some by making replies and topics depending on how many words you use. It's not a real-world thing or involves in actual money if that's what you're thinking.
Ripper of Spore: Unofficial Galactic Score and... that's about it.
"Raggedy Ann scares me!"