Thing is, there really wasn't any consequence to the real life guy's crime. He went to a relatively nice jail for a few years, then started doing motivational speaking based on his life. He made over a million from the sale of his books alone and failed to make the restitution he was legally obliged too. Yet he faced no real consequences. He got away with it, really.
I think that's the point in the film though. You don't see his comeuppance, victims, or any consequences because as far as he's concerned there are none. The not-very-subtle reference in the movie to Lehman brothers et al is telling. Scorcese is showing you what happened without imposing morals but he's also telling you that this the kind of attitude that caused the financial mess. He leaves it up to you to decide what you think of it, whether Belfort's life should be admired or if he's a scumbag.