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So I see a thread criticizing just about every major USD exchange there is. Is there really an answer to this question? I'm probably being dumb since different people will have different experiences with different exchanges, but...
If you were looking to sell BTC for the first time and needed a good balance between exchange price and exchange speed, what exchange would you use to get USD to a US Bank?
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Yesterday I placed an order with lollyphile.com using BTC as payment through Bitpay. I'm using Bitcoinqt client, and from what I can tell I've simply lost my BTC and the payment on the other end was never received. I've never had this happen before, after successfully purchasing many things with Bitcoin.
Sent 0.105 BTC to 1LrrRNhpmmZbs5uQCWrEf2n4sJfo8CFtR7
ca6e167116188485ffd2c4330681b9d08cc4e5c62a8014262ee0cb31606bcdb4-000
1 day later and still 0 confirmations on the transaction. What's going on? Did I just lose my BTC, and if so, why?
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How long does it take for MtGox to complete an international wire transfer to the US once "Funds are on their way" and a successful withdraw is initiated? Anybody have recent experience pulling USD out of Gox? Thanks.
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As title says. Card is a "GV-R695D5-2GD-B" model. This card features a dual BIOS. I have flashed the first BIOS with a shader unlock, as was popular to do with the 2GB models of the 6950. The card has been running stable and performing flawlessly for nearly 2 years with this BIOS mod. This is NOT the 6950->6970 mod that increased clock speeds and increased voltage; that mod tended to brick 6950's as the vram got too hot under the new voltage settings. All the BIOS does is unlock the shader cores, from the stock 1408 of the 6950 into the full 1536 of the 6970, but clock speeds and voltage remain at 6950 speeds. Without any voltage modifications this card will pull 405KH/s with scrypt mining, given a bit of overclocking. I will honestly say that I did GPU mining with it from mid-2011 to late-2012, but I can also honestly say that the temperature of the card never exceeded 65C and the fan was never above 75%. The memory clock was turned down to 400mhz and the rig itself was a well-ventilated fullsize tower case. The card runs absolutely flawless, and I have used compressed air on it to blow it relatively clean of dust. It has been sitting on a shelf for about 3 months, as the machine it was used in has been turned into a gaming/nvidia box. The card was powered by an 80+ Bronze TX Series Corsair PSU, which was attached to an APC Battery Backup unit. Asking BTC0.125+shipping, or $120+shipping. Will update BTC price if exchange price goes crazy. Comes with original box and a crossfire cable. I will ship worldwide because buyer pays shipping. Shipping is from East Coast USA. http://www.tweaktown.com/reviews/3788/gigabyte_radeon_hd_6950_2gb_video_card_overclocked/index.html |
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For sale is a first-generation 100BTC Casascius Gold Plated Savings Bar, which has been used and no longer contains BTC. Excellent condition, great collector's item. I'd like to do this auction style. The reserve is 0.1BTC, and that's where the bidding starts. Buyer pays shipping. Payment in BTC only. Escrow is acceptable.
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I have a few items for sale, but the GPUs are the main ones.
Gigabyte Model Radeon 6950 2GB with Shader Unlock, OEM design with the fan at the end towards the power connectors instead of in the middle. Bought 4 of these June 2011, all work perfectly and have never exceeded 70 degrees operating temperature. No funky noises from fan or anything. Have 3 for sale, keeping 1 as primary display driver for main PC. Hashes at 350MH/s at stock clock speeds. Comes with original box. $120/BTC equivalent each, free shipping anywhere in continental USA.
Still in stock: 3
Rosewill Fortress series 80+ Platinum Certified 550 watt Power Supply, I have 2 of these. Never been used, still sealed boxes from factory. They were going to provide power to some ASIC chips that I never received. Got scammed pretty hard on the ASICs. These are highly rated PSUs and have strong 47 amp 12V single rail design. Brand new, still sealed with unbroken factory plastic. $80/BTC equivalent each, free shipping anywhere in continental USA.
Still in stock: 2
XBox 360, first generation, 20GB model, only have 1 of these, works perfectly fine, no RROD issues with it. Hasn't been used much in the 5 years I've had it, mainly used it as a Windows Media Center extender to watch .avi/.mp4 files on bigscreen. Comes with power brick/supply and 2 wireless controllers, 1 rechargeable and 1 battery operated. $50/BTC equivalent, free shipping anywhere in continental USA.
Still in stock: 1
Might discount slightly if same buyer takes a GPU and Power Supply in same purchase; they would work together quite nicely and would be a great start to building a budget gaming PC.
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I was wondering what people considered to be the best catalyst version to run for mining bitcoin? I don't pay for electricity, so gpu mining is still viable for me. I intend to format my SSD later this evening, and would like to get the best catalyst version for bitcoin mining right from the start, so I was wondering which it is?...
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I recently replaced a 6950 card with a 7950 card. The 11.1 drivers I was using on the 6950 were not compatible with the 7950, so I deleted the 11.1 driver, manually deleted the associated files in system32 and syswow64 folders, and installed 13.4(latest) drivers. It appears to start mining but as soon as a share is discovered it throws up an error "verification failed, check hardware", I've been told that there's an opencl issue between the software/hardware that causes the shares to be invalid. I've tried installing multiple different driver sets, like 13.1 as people had good results with that, but that gave me a huge error.
any advice...?
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I recently installed a new video card, from a Gigabyte 6950 to a Sapphire 7950. Without any software modification, poclbm would just hang indefinately. I was using 11.1 Catalyst drivers so I decided to install the latest 13.4 drivers and latest poclbm. It looked promising, and would start mining, but as soon as a share was discovered an error came up, "Verification Failure, check hardware!". I googled this error and supposedly different drivers were yet again in order. I found some 13.1 drivers which supposedly work well with 79xx cards. I ran poclbm again, and got this error:
Exception in thread Thread-2:
Traceback (most recent call last):
File "threading.pyo", line 525, in __bootstrap_inner
File "threading.pyo", line 477, in run
File "BitcoinMiner.pyo", line 401, in miningThread
File "BitcoinMiner.pyo", line 516, in loadKernal
File "psyopencl\__init__.pyo", line 141, in program_build
RuntimeError: clBuildProgram failed: build program failure
Build on <pyopencl.Device 'Tahiti
' at 0x495de58>:
Internal error: Input OpenCL binary is not for the target!
This is quite frustrating! Any suggestions from the pros here?...
edit: still working at it.. going back to 13.4 drivers is giving me the "Verification Failure, check hardware!" error just like before... I'm at a complete loss here...
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So I've recently added a card to my array. I've upgraded my grandma's old AM2 box w/ 400w PSU by sticking an XFX Radeon HD 6670 "Turks" card in it. Not like I'm expecting to get many coins from it, but her video card was failing and given her PSU, I opted for a cheap low-power card with no PCI-E 6pin connector requirement.
It has been mining at ~115MH/s for 50btc pool for over 3 hours now, and it hasn't submitted a single share at difficulty 1. At first I was using poclbm to mine with it and noticed that the window would automatically close itself after a minute or so. Boggled by this, I decided to just download guiminer. GUIminer reports the same speed, ~115mh/s, and isn't closing itself, however 3 hours later it has yet to submit a single share. I know this can't be possible, 3 hours even at the low speed of ~115mh/s is bound to submit some shares... approximately 150-200 shares by my estimation.
Any thoughts? The machine in question just got a fresh install of Win7-x64, CCC reports card activity at 94% with a -f150 aggression flag in guiminer. By all logic it should be submitting shares... it connects to the pool fine, it maintains its speed, it shows activity, the card heats up normally as if under load like it should be... Why won't it submit shares...?
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I sent a payment 1 hour and 13 minutes ago to somebody. No confirmations so my purchase hasn't gone through. I received a payment earlier at 4:26PM eastern standard time and it's now 9:20PM and there are only 25 confirmations on it. Is something wrong with the network...? surely these numbers can't be normal.
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anybody around that can sell me a gametime code for BTC? within the next 24 hours would be great.
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Selling off one of my mining rigs. It was one of my earliest and least power efficient builds, but perhaps somebody here who gets free power would be interested in acquiring it on the cheap. I would prefer to sell the whole lot at the same time, to simplify things and cut down on shipping costs, but I will take any reasonable offer. All items for sale are in known working order, and the cards hash/mine stable. For sale:
(2x) Sapphire ATI Radeon HD 5830, 1 extreme edition, 1 not. The extreme edition's fan seized up completely, I replaced it with a Zalman VF3000 Universal VGA cooler. Both cards mine at 300+mh/s.
(1x) Powercolor AMD Radeon HD 6770. This card was doing around 210mh/s in an 8x pci-e 1.1 slot.
(1x) AMD Athlon 64-X2, dual-core @ 2.2GHz, 64-bit Socket AM2 CPU/Processor. Comes with stock heatsink & fan.
(1x) ASUS M2N4-SLI Socket AM2 Motherboard. Has 1 16x, 1 8x, and 1 1x PCI-E slots.
(2x) Sticks of G.Skill DDR2-800, 1GB each. Also 2 sticks of some generic DDR2, 512MB each. 3GB total RAM/Memory.
(1x) Patriot Warp V2 32GB SATA II SSD. Works great as a boot drive, but BAMT on thumb drives make it somewhat obsolete. Has 14.2GB free after fresh Win7 install.
That's it. Again, I'd prefer to sell everything at once as a lot, and I'd prefer to ship to US only, but will ship international if buyer pays shipping. I'll pay for US shipping.
Anybody wanna take the whole lot for say ... 11 BTC ?
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I'm selling my girlfriends used panties, fresh with pink-clam-skidmarks.
BTC2 for 1 pair, shipped
BTC8 for 5 pair, shipped
apparently japan has vending machines with used panties?
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This thing is still in original packaging, brand spanking new unopened box. For the capacity, this is by far one of the fastest and most reliable SSD's on the market. In terms of raw speed, it beats out Intel's 330 Maple Crest and 820 Cherryville products, OCZ Vertex/Agility 4, Kingston SSD-VNow, Crucial M4, etc etc etc... the only drive in this category that can match its speed is the Samsung 840 Pro series, which costs significantly more. Performance Max Sequential Read Up to 555 MB/s Max Sequential Write Up to 525 MB/s 4KB Random Write Up to 90,000 IOPS MTBF 2,000,000 hours http://www.newegg.com/Product/Product.aspx?Item=N82E16820233311This is still in the big manilla envelope Newegg sent to me, I haven't even opened that. I'm just trying to recoup losses since Newegg won't give me a direct refund. I'll ship this anywhere in 48-state US for BTC11 BTC9.5 I would also be willing to trade for a Cooler Master 932 HAF full tower case ( http://www.newegg.com/Product/Product.aspx?Item=N82E16811119160 ), which costs $20 less new. You can even keep the $30 rebate they have going for it at the moment. PM me  |
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I'm breaking down some of my older rigs and have an older guestbox/miner parts for sales. Prices include free shipping to USA(except Alaska/Hawaii). Mobo: ASUS M2N4-SLI Socket AM2 SATA3.0gbps USB 2.0 DDR2 Motherboard (2 pci-e slots, 1-16x 1-8x) = BTC1.2 CPU: AMD Athlon E4400 Socket AM2 dual-core(2) 64-bit CPU @ 2.4ghz = BTC1.2 RAM: G.Skill 2GB DDR2-800(2x1GB)+Crucial 1GB DDR2-800(2x512MB), total 3GB = BTC0.8 PSU: COOLER MASTER eXtreme Power Plus RS500-PCARD3-US 500W = BTC1.8 PM me |
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I searched for a streamlined Bitcoin oriented t-shirt and found a thread that's over a year old with no replies, and one that got edited to completely delete the contents of the OP. Why didn't the t-shirt thing pickup? alot of people would like them I'd imagine, if nothing else than as conversation starters. if any custom clothing shops on here would be interested, I'd like to purchase a shirt. An all-black shirt with a big golden 1's and 0's encircled Bitcoin on the front-center, and some words on the back, like "Fuck the Fed" and possibly a url or 2, like weusecoins.com.
If you make it, I will buy it, and I'm not alone.
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