They are offering 0.001 BTC/GHs for Bitcoin Cloud Mining. If u have used them, please share your experience.
Do they show proof of mining? Are there pictures of their operations, and more importantly blocks they mined? They might be a scam so be careful and do your due diligence.
Ironically, almost none of the cloud miners show any real proof. Moreover, pictures are no proof at all as those can be easily faked. But 2 reasons of not showing proof are acceptable...
1. Most countries dont have clear bitcoin law. So miners dont want to invite unnecessary problem by revealing their physical location.
2. Most large miners sell block to mixer services as those have a premium price. So, most of the time cloud miners's payment come from customer's fund, rather than generated blocks.