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December 29, 2013, 11:32:04 PM |
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It depends on what you believe the difficulty is going to be, and your plans for BTC. For me, its a hobby (got me out of some MMORPGs I've been stuck in for years).
Let's suppose I brought a November KNC Jupiter (for $5000 USD) earlier this year - hashing at around 680 GH. At the current difficulty, 1180M, it will earn around .28 BTC/day.
If the current difficult stays 1180M for 30 days, before doubling, I would have 8.4 BTC at the end of the month (on Jan 1) Next month, it would earn .14 BTC/day, at the end of that month - 4.2 BTC (on Feb 1) and 2.1 march 1. For a total of 14.7 BTC. So following your assumptions, break even would be around $340 per BTC (not counting the energy used to mine)
However, its more likely that the difficulty goes up 30% every 12 days....
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