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161  Economy / Services / Who wants a 23 GH/s mining contract?! on: March 24, 2012, 02:13:19 AM
Willing to do a 10 day, or 30 day term. 

Let's price it fairly close to expected BTC production. 

Just post your bid, and let's negotiate! 
162  Economy / Lending / [FULFILLED!] 10,000 BTC loan - LONG TERM on: March 23, 2012, 03:45:40 AM
I have been thinking about this a fairly long time, and think the time is right to put the proposal out there.  


10,000 11,000 BTC 5 year note:

-Minimum single commitment of 100 BTC (not interested in 1000 different lenders)
-Interest of 10% per annum
-Re-payment will be in 20 60 equal, quarterly monthly payments
-P & I will be amortized over the lifetime of the loan.
-Lender(s) must establish up front if they wish to be repaid in BTC or USD



Let me try to head off some obvious inquiries....

Q:  What in the world do you need 10,000 BTC for?
A:  I am in the process of buying out the senior partner in my firm (several percent a year), thus need capital.

Q:  Why not go to a bank?
A:  This is 1000% more interesting.  Really, the implications (if this works) are really profound.  It would mean individuals are able to crowd-source large amounts of financing without playing the rigged game with banks.  I have no problem securing bank financing, but I hate the system, just like most Bitcoiners.  

Q:  How can the lender(s) be assured of willingness, and ability to repay?  
A:  Couple reasons:  My record as a trader/borrower is pristine.  The equity in the firm yields substantially more than the interest rate on the loan, so I am locking in a spread.  Further, I will fully collateralize the loan.

Q:  What if BTC spikes and you have not the funds to buy sufficient BTC to repay those who chose to be repaid in BTC?
A:  Great question.  Fortunately, I own the vast majority of Bitcorp Mining CO (totally different venture).  My share yields several hundred BTC per month.  This, combined with my other substantial means, gives me very high confidence in being able to secure the necessary BTC.    

Q:  Why would someone loan you BTC at 10%, when people are offering crazy annualized rates on smaller loans?
A:  Most of the other loans I see are extreme short term in nature.  Its great if you can keep rolling over the loans to achieve the crazy annual rate, but you most likely cannot (this also increases the risk of fraud/scam as you deal with dozens of borrowers).  I feel that the rate I am offering, though lower than the norm, is a good deal for persons looking to invest BTC for a long time horizon with minimal ongoing hassle.  

Q:  Sounds interesting, but I really need more info to feel comfortable with this.
A:  I am willing to discuss more details with serious potential lenders.  


Just a final word.....I realize this will come off as crazy to many people.  I also know from past experience that it will attract some trolls.  That being said, try to be civil.  I am completely serious about this, and would love to see it work.  I think it would be great for BTC as a whole, and show tantalizing potential for future possibilities.

Constructive feedback is desired, and I am happy to answer any questions.  Let's do this!  
163  Bitcoin / Mining / Out of SHEER curiosity.... on: March 20, 2012, 07:27:09 PM
What is the largest mining farm that we know of?  I am talking a single individual, not pool operators. 

My farm is currently pushing out 23,000 MH/s

I used to think this was pretty damn beastly, but realized I have no idea who might be out there with even more massive farms. 

Anyone have good knowledge of the matter and care to post a list of large miners? 
164  Economy / Computer hardware / WTS - GPU's and Power Supplies on: March 18, 2012, 02:57:32 AM
First the GPU's:




XFX 5850:  25 BTC, shipped USA  sold
Asus directCU 5850 (needs new fan, or fan repair):  20 BTC, shipped USA  sold
Asus directCU 5850:  27 BTC, shipped USA  sold

All 3 work great.  I am sure I could repair the fan myself, but I have moved on to 7000 series cards and don't want to mess with it anymore.


Now the PSU's:



From bottom left, then up and around:

Dell 375 watt, 1 PCIe connector:  10 BTC, shipped USA
Dell 375 watt, 1 PCIe connector:  10 BTC, shipped USA
Dell 500 watt, 2 PCIe connectors:  15 BTC, shipped USA
Antec 500 watt, 2 PCIe connectors:  15 BTC, shipped USA
Antec 500 watt, 2 PCIe connectors:  15 BTC, shipped USA
Rosewill 750 watt, 4 PCIe connectors:  15 BTC, shipped USA


Finally, I have a PSU that I lack the knowledge to fix, but I am 99% certain a person with more experience will have no problem fixing up:



Make me an offer!!!
165  Economy / Services / 15 day mining contract on: February 23, 2012, 03:56:58 PM
Terms:

-guaranteed 20,500 MH/s for 15 days
-Payouts every 2 days, with one final payment at contract expiration
-Expected payout of 224.70 BTC
-Price is 215 BTC


First come first served.  Only selling one of these. 
166  Bitcoin / Mining support / 2 BTC bounty - why can't I get lower Mem clocks? on: February 22, 2012, 09:03:08 PM
I am using CGminer on a dual 7970 mining rig. 

I have the config file adjusted to load these settings:

Engine:  1150
Mem:  300
Intensity: 9
fan: 70


Using Windows 7

Everything works great, and they hash away at 690 MH/s each, but the damn memory clocks refuse to go to anything lower that 1,000.  And they will only go that low after I manually set them within CGminer.  Am I missing something? 

2 BTC bounty to the first person who can help me out and successfully get my mem speeds to where I have seen them on other systems. 

167  Economy / Computer hardware / [WTS] 4x 5970 perfect condition on: February 21, 2012, 08:48:50 PM
I would like to avoid the fees of Ebay and Paypal, so I will offer them here.  I have an offer on the table of 429 each to take all of them.

I will offer them for 95 BTC ea. + shipping. 
168  Economy / Goods / [WTB] Gift cards for BTC on: February 14, 2012, 04:37:15 PM
Looking to find a reliable trading partner who would be willing to provide a steady supply of gift cards in return for BTC.  

Getting sick of the BS with exchanges and the money transfer services.....figure this might be easier.

I will be willing to pay a 15% premium to compensate for your effort.  Example:

I want a $100 Fred Meyer gift card.  I would pay an amount in BTC determined by the following formula:

$100/current BTC/USD rate * 1.15.  If we assume the exchange rate is 4.5, I would pay 25.55 BTC.  


I am open to negotiating the terms, but this seems like a win/win for myself and an enterprising partner.  

169  Other / CPU/GPU Bitcoin mining hardware / Did the dollar suddenly devalue vs. used 5970's? on: February 13, 2012, 06:29:36 PM
Help me out here guys:

http://www.ebay.com/sch/i.html?_from=R40&_trksid=p3984.m570.l1313&_nkw=radeon+5970&_sacat=See-All-Categories

http://www.ebay.com/itm/ATI-Radeon-HD-5970-Dual-GPU-Graphics-Card-/130644546309?pt=PCC_Video_TV_Cards&hash=item1e6b059305

http://www.ebay.com/itm/Diamond-Multimedia-ATI-Radeon-HD-5970-5970PE52G-/260953019865?pt=PCC_Video_TV_Cards&hash=item3cc20315d9


5 days ago new 5970's were going for around $400.  Now used ones are topping $600?! 

What am I missing? 
170  Economy / Computer hardware / WTS 4x 5770 on: February 10, 2012, 08:14:43 PM
These are great cards.....have sold a few on here before. 

Good for 200+ MH/s, and are compact for the space constrained. 

They are practically new, having only been used for about 6 weeks. 

They are identical to this:  http://skinflint.co.uk/628512


I will sell them for 12 BTC each, or all 4 for 45 BTC
171  Other / CPU/GPU Bitcoin mining hardware / Help with CGminer and 5870's.....2 BTC bounty (solved) on: February 10, 2012, 05:55:23 PM
Can anyone give me a quick assist on how to maximize my 5870's with CGminer?

I am currently getting 390 MH/s at 950/300.  I understand if I get the settings perfected I can push 450.  

Can someone help me with how to set the worksize to 256 and use the -v 2 flag?

Thanks!
172  Bitcoin / Mining / Just for complete shits and giggles...... on: February 07, 2012, 10:27:53 PM
I am mining in the cloud.  Set up a EC2 instance with 2 Tesla GPU's.

Pulling 120 MH/s.

I know this is losing money, but I just wanted to set it up for fun.  Pretty cool stuff. 
173  Bitcoin / Mining support / 3 BTC bounty - why is my share count staying at zero? on: February 06, 2012, 09:35:33 PM
Hi all,

I have a workstation with a single 5850, that hashes around 350 MH/s.  Has worked wonderfully for months, without the slightest hitch. 

However, starting over the weekend the miner shows as offline at my pool, and no shares are being submitted.  GUIminer still shows the card hashing away, and CCC shows the GPU at 99% usage.  Unfortunately, GUIminer also shows 0 shares submitted. 

Any ideas?

I am running 11.9 with win 7 pro 64bit. 

If someone can help me find a solution, I will give them 3 BTC. 
174  Economy / Goods / [WTS] Multiple 5970(sold), 6950, 5850(sold) on: February 03, 2012, 05:20:01 AM


All prices include shipping!


3x Brand new 5970:  74 BTC  SOLD

3x 5850:  22 BTC  SOLD

2x 6950, flashed to 6970 with shaders unlocked:  42 BTC
175  Economy / Services / 20 GH/s contract on: February 02, 2012, 08:36:51 PM
10 day contract @ zero variance pool. 

Price:  140 BTC

expected payout:  147.12 BTC  (1 days at current difficulty, 9 days @ 1370000)



176  Economy / Goods / I gots 5970's (SOLD OUT) on: February 01, 2012, 02:41:04 AM


Brand New.  Sealed.  73 BTC to your door.

 Shocked



Love me some card pron.


EDIT:  These are shrink-wraped, FYI.  Never opened.  Picture does a poor job showing that.  

EDIT 2:  4 have been sold.  6 left.  
177  Economy / Goods / [WTS] 8x 5970 on: January 27, 2012, 08:23:25 PM
Since my last thread got hijacked by a pansie bemoaning the free market, I am reposting with updated quantities.

I have 8 5970's for sale, all in great condition.  No dust build-up whatsoever, and they have NEVER been over-volted.  All the fans run smooth and strong, and temperatures are very low at stock clocks. 


I will sell them for 80 BTC per card, which includes shipping anywhere in the USA. 
178  Economy / Goods / [WTS] 10x 5970 (SOLD OUT) on: January 26, 2012, 09:44:56 PM
These cards are in cherry condition.  Various makes, all cleaned regularly and run no harder than 750 MHz.  NEVER OVER-VOLTED.  

After looking around and seeing what they are selling for in other venues, I am willing to sell for 78 BTC per card, which includes shipping anywhere in the USA.  


Thanks!
179  Bitcoin / Bitcoin Discussion / Will variance regress to the mean, or will I continue to get screwed? on: January 25, 2012, 10:12:36 PM
Just looked at the ole Deepbit account, and over the life of my account, I have found 37 blocks.  Thus, I would expect to have mined approximately 1,850 BTC.

HOWEVER, I have only earned 1,453 BTC.  This seems like a huge disparity!  Have I just been insanely lucky, and expect my luck to get worse? 

Wish I had been solo mining.....
180  Other / CPU/GPU Bitcoin mining hardware / Buy or sell 5970?! on: January 24, 2012, 02:41:47 PM
The prices for used 5970's are once again heading higher rapidly on Ebay.  The latest auctions I have seen closed above $400! 

This gives me pause, as all of my 5970's were purchased at approximately $300 or less when miners were committing mass suicide in the streets.  I could sell them for a quick 35% profit and replace them with 7970's, which would probably have longer useful lives and retain much better resale value.

thoughts?
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