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With the return from GPU mining likely to be affected by ASICs, where can miners turn their machines? Should I become a pro gamer? Join a rendering farm for cash (do they exist?) and let Disney use my rig to make toystory 4? Donate it to SETI@HOME or FOLDING@HOME? Donate it to an Anonymous botnet? Join a spamming farm used to bombard Bitcoin dev's with requests to switch double-SHA256 for double-MD5 in the code?

In short, what serious alternatives are their for profit or just putting to good use mining rigs?

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+1 for spamming farm. – ghostJago Mar 6 '13 at 22:30
I am interested in joining a rendering farm, can someone tell me if it actually exist? – Red2awn Oct 5 '14 at 9:48

Vanity mining for example over at my Vanity Pool. Thanks to split-key vanity addresses anyone can request a vanity address without compromising their security, set their own bounty, and anyone with a mining GPU can try solving the work and claiming the bounty.

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Yes I've seen this referenced but imagine it is a very small market in comparison the amount of mining resources being freed for such application. So the return on investment is questionable and probably miners are going to be looking for more options. – gesell Jan 25 '13 at 15:05
@gesell Well, I bet a lot of people would want to have their own vanity address, so if the pool will get popular with the miners, they might in turn spread the word to other people to use this. – ThePiachu Jan 25 '13 at 19:26

Folding@home can run calculations on your GPU, Seti@home at least support nvidia.

There's also, which seems to be specialized on using GPUs for medical research.

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not really comparable to bitcoin and no financial return, or are they paying for cycles at these projects now? – gesell Apr 5 '13 at 15:49

you could mine litecoins; the advantage of having a GPU over a CPU is not as pronouced as with bitcoin but it could still be profitable. you may have to run those numbers though. for exchange rates.

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heres a comparison of mining hardware… – leximus prime Jan 26 '13 at 19:47
You certainly could mine Litecoins and the return is similar to BTC – BitCoin New Guy Jan 27 '13 at 7:25

Unfortunately, none of those other uses are worth the power your GPUs consume. I'd say sell it and use the money to find a new hobby, like skiing or flying model helicopters.

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