In the past few days, a gambling website called MysteryBrand has been in the spotlight for possibly being one of the biggest gambling scams ever created. The company has already been promoted by huge YouTubers such as RiceGum and Jake Paul and also has been criticized by big names such as PewDiePie and h3h3productions.

While researching, I found _crytodelta’s tweet (also, credits to WatchGamesTV) which pointed out that the odds weren’t right when he created a custom case with exactly the same items/odds of an official case and the price jumped from $14.99 to $7589.01 which proved that the website had something weird going on.

One feature that pretty much every single gambling website has is “provably fair” which is actually a way of proving that the outcome of the bet is not rigged. But guess what… MysteryBrand has a FAKE PROVABLY FAIR! I find it funny that no one has noticed it yet, but here is final proof that MysteryBrand is a complete scam.

This is the “Provably fair” part of the case before opening. First, it points out to an article by dicesites.com explaining what is a legitimate provably fair system and how it works. That article, however, does not apply to MysteryBrand, as the website uses the md5 hashing algorithm while the examples in the article use sha512. The other link refers to a repl.it node.js script meant to be a “verification script” which would verify a bet after its made.

After-bet screen (RiceGum)

After the case is opened, this information is shown to the user. The funny part is that this does not mean anything. It is clearly stated in the verification script: The serverHash will be provided only after open case box. You cannot get serverHash before open case box. Well, that is clearly not what we see in the before-bet screen… The only new value presented after the game is the “Server Result” that apart from not having ANYTHING to do with the outcome of the bet, also can be predicted before the case is opened. As the “verification script” shows, the “server result” is only the MD5 hash of the client seed + the server hash. This means that the provably fair system is only a dummy one to trick people into believing that the website is legitimate while it is not.

Here is proof of the result prediction (same parameters as in the screenshot above)

In conclusion, do not bet in a gambling website just because a big YouTuber promoted it, or just do not bet in general. It will probably be better for you. But if you want to bet anyways, check the provably fair system before doing so.