Txbit.io exchange is a young exchange, but it has been built well, and operated smoothly months after its birthday. The exchange's barriers at the moment is only volume. They need to catch more flow of money from traders and investors into their platform, whatever things they use to promote their exchange and boost total volume of txbit. Low volume exchanges are always less interesting than high or medium volume exchange. At the moment, total daily volume on txbit fluctuated between 2 and 3 Bitcoin, that is so small. People who have interests can get overview on txbit's volume there: https://txbit.io/