Finally other bitcoin news-media are also uncovering the ponzi scam called gainbitcoin running under bitcoin cloud mining from India based bitcoin miner Gbminers founder. This article dugs deeper and explains how gbminer and cloud mining scheme/scam gainbitcoin are linked/related. When all bitcoin world is crying over lower returns from bitcoin mining, gainbitcoin is giving extravagant return promise on bitcoin mining contracts. Till now they have steadily paid monthly payout to their investors. however running their contracts on coinwarz tells different story of returns.
Articles also takes on their bitcoin wallet 'coinbank' which is apparently looks more like rebranded version of the open-source Bitpay wallet. For more details check following link:
http://coinjournal.net/founder-india-based-bitcoin-mining-pool-gbminers-running-ponzi-scheme/ Interestingly there is a thread [1] in bitcointalk.org exposing scam nature of gainbitcoin. That thread covers scams in more detailed manner.
[1]
https://bitcointalk.org/index.php?topic=1440600.0 
