If you're honestly that concerned about getting banned, sorry to break the news to you, but you have no business owning a flashcart. Being a pirate and having access to online functionality are two subjects that will eventually and inevitably be mutually exclusive. Getting banned for pirating games is not a matter of if, but when. Doesn't mean you can't have fun while it lasts and prolong the inevitable by taking as many precautions as you can, though!