Board Thread:Questions and Answers/@comment-24159938-20131210231818/@comment-1466854-20140909212404

Generally with online games like this, the scratch mechanism is a mask. In reality, before you start scratching, the server has determined what the outcome will be, the client just makes it look entertaining for you. Easy way to prevent gaming the system. Otherwise there are a number of hacks that could potentially be used to spoof winning results every time.