Since the player was making hundreds of simultaneous requests, it sounds like a race condition in the casino's server-seed mechanism where the player was able to get the server-seed of future bets.

Obviously, the server only wants to divulge the server-secret of closed-out bets so that you can verify them as provably fair.

> Strange choice to put a picture from the Ocean's Eleven series at the top of the article, seeing as how the thieves in those films are considered the protagonists/heroes.

It's not so strange after reading a number of these HN comments.