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Author Topic: Previous Difficulties  (Read 1122 times)
cuz0882
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June 23, 2012, 09:05:10 AM
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Is there site that charts the difficulties with specific numbers? Or at least shows the last difficulty and the date it changed?
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June 23, 2012, 09:08:03 AM
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There was :

http://btcserv.net/bitcoin/history/

I wish I had copied those pages.It was easy to read too(very simple,like me  Grin ).

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June 23, 2012, 09:22:10 AM
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Is there site that charts the difficulties with specific numbers? Or at least shows the last difficulty and the date it changed?

 - https://docs.google.com/spreadsheet/ccc?key=0AmcTCtjBoRWUdHVRMHpqWUJValI1RlZiaEtCT1RrQmc

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June 23, 2012, 09:24:47 AM
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http://bitcoin.sipa.be/

Dacentec, best deals for US dedicated servers. They regularly restock $20-$25 Opterons with 8-16GB RAM & 2x1-2TB HDD's (ofc, usually lots of other good stuff to choose from).  I did a Serverbear benchmark of one of my $20/mo Opteron (June last year), it's here.  Have had about a half dozen different servers with Dacentec, & none have failed to sustain at least 40MB/s (burst higher). My favorite is a 12-month rent-to-own ZT Systems 2XL5520 16GB 2x2TB SATA for $40/month (got lucky with the 'off-brand', haven't seen a RTO 2xL5520 for under $50/mo since -- at least for monthly contracts).  wholesaleinternet.com has some ancient 2-core intel CPUs @ $10/mo sometimes (I got an Intel Core 2 6300 @ 1.86GHz, with a 250GB HDD with 46000 hours on it, LOL. $20 @ Dacentec is much better, if you can grab one). joesdatacenter.com (same location as Wholesale Internet) also occasionally has specials (or if you don't want to wait, it has an AMD Opteron 170 @ $16/mo).
cuz0882
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June 23, 2012, 10:50:54 AM
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I need the actually numbers. Someone must be keeping track of it.
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June 23, 2012, 11:36:33 AM
 #6

Is there site that charts the difficulties with specific numbers? Or at least shows the last difficulty and the date it changed?

 - https://docs.google.com/spreadsheet/ccc?key=0AmcTCtjBoRWUdHVRMHpqWUJValI1RlZiaEtCT1RrQmc

interesting. if i'm reading this right, it's been more or less stable for a year now. that's ...actually really interesting, when you think of all that's happened with the fpgas and GPU's and such. i'm actually quite surprised by this.
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June 23, 2012, 06:17:49 PM
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Here: http://blockexplorer.com/q/nethash

Mining Rig Extraordinaire - the Trenton BPX6806 18-slot PCIe backplane [PICS] Dead project is dead, all hail the coming of the mighty ASIC!
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June 23, 2012, 06:46:15 PM
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http://blockexplorer.com/q/nethash/2016

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June 23, 2012, 06:57:21 PM
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interesting. if i'm reading this right, it's been more or less stable for a year now. that's ...actually really interesting, when you think of all that's happened with the fpgas and GPU's and such. i'm actually quite surprised by this.

The chart against that data shows this visually and you are correct -- relatively flat (log scale).


 - http://docs.google.com/spreadsheet/ccc?key=0AmcTCtjBoRWUdHVRMHpqWUJValI1RlZiaEtCT1RrQmc#gid=1

This occurs because mining capacity lags price.  The price wasn't high long enough for capacity to catch up to it, so even after the price came down, mining capacity didn't drop at a proportionate degree.    And then when the price dropped to levels where almost nobody was mining profitably, many miners kept their rigs running at a loss -- partly due to the sunk cost fallacy but for other reasons as well.

Keep in mind that in less than six months from now the block reward drops to 25 BTC.  Some mining operators paying average or above-average electric utility rates (e.g., $0.15 per kWh or higher) know this drop is coming and realize that GPU mining will likely no longer offer a chance for profits (unless the BTC/USD rises much faster than the difficulty by then).

But with the backlog in the FPGA order books, and a hearty appetite yet for new and used GPUs by those whose electric costs are lower, it is likely the difficulty level will be going up, where the rise on the chart is noticeable.

cuz0882
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June 23, 2012, 07:54:58 PM
 #10


Nice, Thanks.
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