Post the proof here instead of increasing the font of your reply. If I'm not wrong, then the probability of losing 51 bets in a row on Stake crash game is 0.0101% while you are looking for 6× payout. It is really unfortunate if you have faced such losing streak. But Crash game isn't a single player game. A lot of users place bet at crash game in each round. Stake or any other casino won't manipulate the crash game to get a small amount from you. Moreover, Stake had run seeding event here in the forum to show the transparency of their crash game: Stake.com Crash seeding event