Since few days theres a video where hackers show casino on which they play and double-spend the money.

Yet they went futher and put this as a service that anybody can use, they take 10% cut of the amount you use.

Some users below video claim that tried this and it didnt work (so lost 10%).

It is worth noticing that this "hack" works only one zero-confirmation sites, which are rather rare or mostly non-existent now.

Amanda made interview with the creators: