Most dice sites offer the "third party verification" feature.
Provably fair was created mainly to ensure that dice sites are reliable!
Yes exactly that is the only way we can actually verify that the gamble we lost was by the fair system. I normally only gamble on a site if it has probably fair mark aa it is trusted and i haven't heard any sort of manipulation done till date.
well most of the well known dice site are using provably fair system to make sure that their players will trusted them and the business will continue for the benefits of both ends its a practice by successful gambling business which already established for btc players.