asia-rvn.2miners :6060: Active. Asia: 2048 (34.36G) for Nicehash: asia-rvn.2miners :6161: Active. By default or if in doubt which share difficulty to choose, choose the lower one. We recommend the high share difficulty if you mine with more than 500 GPU''s. If you mine using Nicehash you should always choose the high share difficulty.