UPDATE: Maintenance fee is not covered. They charge that separately. ROI around 170 days fees included.
The sha-256 one year Bitcoin mining contracts are back at Hashflare. The current ROI is 132 days which makes them very profitable. Obviously the difficulty and the price of Bitcoin in the future is not 100% predictable.
Mine Bitcoin at Hashflare
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Use code “fBgniQ” and get 3% off every purchase on Genesis Mining
Get 10$ extra when you buy cryptocurrencies on coinbase
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