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Please name some of the ones that you used so the community can stear clear from them.

la mineria es buena

e.g. Geneseis Mining, F2 Mining etc. When you start with them you get good return for first 15-30 days, if you add more money then again they pay you good for 15-30 days. And if you don't then payouts become irregular and less. Overall you don't recover your investment even after two years. Try it.

And their support sucks

Genesis has a rating of 2.9 and Cryptonoras has a rating of 4.9.
I think that says it all.

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