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Author Topic: Solo vs a pool..bitcoin calc.... a few questions  (Read 860 times)
Ono Nadagin
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August 02, 2011, 02:12:58 AM
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I am going to build a Bitcoin mining rig on the cheap 3x 6870s

Having said that I look at the Bitcoin mining calc and at the mining rig comparison guide and figure ill make somewhere between 900-100Mhash/hr... and applying that to the calc I get between $190.43@900Mhash/hr &  $211.58@1000Mhash/hr a month at current difficulty and 13.07 BTC price... this is assuming I don't join a pool.... and that the difficulty doesn't go up and the BTC price doesn't go down.

So how accurate do you guys think this calc is and how accurate do you think the rig comparison is... should a rig with 3x 6870s be capable of 900-1kMhash/hr?

Tyia for any advice and or input I am working on a steep BitCoin learning curve here and any and all help is needed and accepted

thanx

Ono
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nafai
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August 02, 2011, 02:30:41 AM
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Your math looks pretty accurate. Whether you join a pool or not is irrelevant for the math (assuming you can find a block in a reasonable time anyway).  Whether you find a block in 10 days (50 btc per 10 days) or join a pool (5 btc per day), your hashrate is your hashrate.  Not counting pool fees, of course, and luck, of course, a hashrate will give you the same return whether you use a pool or not, using a pool just gives you a smaller return with higher frequency, because you get paid based on your hashrate for every block the pool solves instead of waiting to find a block yourself and keeping the whole amount.

The problem is, with a hashrate of 1 gh/s or less (1000 mh/s or less), it would take a REALLY long time to find a block....   on the order of months actually.  So you pretty much HAVE to join a pool with a hashrate that low, because if it takes you 3 months to find a block, the problem is the difficulty goes up every couple of weeks, so with not finding a block for that long the difficulty increases push your payoff date even further over and over...   unless you happen to get really lucky and find a block early.

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August 02, 2011, 02:34:21 AM
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Hello Ono,

Seeing as you don't have the highest hash rate. Your best bet would be to go with a pool, only because you are able to see the amount you will receive every day. As in solo mining, you have to wait until you hit a block (then you will have 50 Bitcoins). Pool's allow you to withdraw whenever you like... That is also another advantage.

If you were somebody like Vladimir with 80+ ghash. Then you will obviously solo mine.

Hope it helped!
MiddleMan
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