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When my bitcoin mining rig will no longer be profitable, I may redirect its awesome GPU resources to the task.

Wikipedia has a list of other worthwhile projects to consider: http://en.wikipedia.org/wiki/List_of_distributed_computing_p...

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I currently do Folding@Home (based on how proteins fold; research which has implications for numerous Human illnesses/diseases). It's quite good, although it doesn't currently support all GPUs.

Too bad you can't kill two birds with one stone. Bitcoin should put all that computing power towards something like this rather than useless busywork.

It's no more "useless busywork" than security guards protecting banks from theft. In this case, the proof-of-work protects the network from double-spending.

Do you have a concrete suggestion for how the proof-of-work could be dual-purposed and still serve its function in the bitcoin network?

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