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Miners that pay for electricity should seriously start reconsidering Mining
I pay 5.8$ for 250 kw That's exactly what costs 250kW for ~14min at $0.10/kWh,…
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n/a | mrb | August 03, 2011, 09:46:55 PM |
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The bitomat exchange lost their wallet - selling exchange for 17,000 BTC!! Bitcoin Discussion
I can provide backup of your wallet on 3 different dedicated server, hosted in…
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n/a | mrb | August 02, 2011, 03:24:57 AM |
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The bitomat exchange lost their wallet and 17,000 BTC!! Bitcoin Discussion
"lost"? Do they think we are idiots? 17000btc and no backup, nothing? Ahahahahah…
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n/a | mrb | August 02, 2011, 12:54:41 AM |
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bitcoind 17mb? How to shrink it after compiling? Development & Technical Discussion
what util would one use to strip it down to the size that normally gets released…
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n/a | mrb | July 31, 2011, 04:36:20 AM |
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Destroying bitcoin, by coin, by coin... Beginners & Help
Of course you can join our quest and start deleting your wallets from today and…
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n/a | mrb | July 11, 2011, 03:27:56 AM |
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DVI / VGA Dummy Plug Thread CPU/GPU Bitcoin mining hardware
I have updated http://blog.zorinaq.com/?e=11 with a schematic showing C1-C5, C2-…
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n/a | mrb | July 09, 2011, 01:40:08 AM |
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Hypothetical Bitcoin clone except backed by gold Bitcoin Discussion
kwhcoin: but what backs gold?
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n/a | mrb | July 09, 2011, 01:01:04 AM |
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Pools Owning 50% of The Hashrate: A Realistic Attack Bitcoin Discussion
Which hacker with such skills will really ruin the entire economy for a few thou…
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n/a | mrb | July 07, 2011, 08:11:21 AM |
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Pools With a Significant Hashrate: A Realistic Double Spend Attack Taking 2 Hr Bitcoin Discussion
A double spend attack may be detectable after the fact, but is not likely to be…
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n/a | mrb | July 06, 2011, 10:58:54 PM |
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Pools Owning About 50% of The Hashrate: A Realistic Attack Taking 2 Hours Bitcoin Discussion
If an attacker has 50% of the hashrate (q = 0.5), then the math is completely of…
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n/a | mrb | July 07, 2011, 02:35:10 AM |
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Pools With a Significant Hashrate: A Realistic Double Spend Attack Taking 2 Hr Bitcoin Discussion
Getwork returns data (essentially block header) and midstate. Midstate can be cr…
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n/a | mrb | July 07, 2011, 04:42:31 AM |
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Pools With a Significant Hashrate: A Realistic Double Spend Attack Taking 2 Hr Bitcoin Discussion
I already gave it to you. Multiple times. "In the last ~110 minutes only 6 block…
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n/a | mrb | July 07, 2011, 03:40:30 AM |
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Pools With a Significant Hashrate: A Realistic Double Spend Attack Taking 2 Hr Bitcoin Discussion
6 blocks in a row that require twice the time are not statistically insignifican…
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n/a | mrb | July 07, 2011, 03:32:25 AM |
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Pools With a Significant Hashrate: A Realistic Double Spend Attack Taking 2 Hr Bitcoin Discussion
OK, I have not used pools for a long time but if they return a valid getwork (an…
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n/a | mrb | July 07, 2011, 03:28:31 AM |
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Pools With a Significant Hashrate: A Realistic Double Spend Attack Taking 2 Hr Bitcoin Discussion
Another detail is that with the half mining power you only get 3 blocks per hour…
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n/a | mrb | July 07, 2011, 03:18:39 AM |
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Pools Owning About 50% of The Hashrate: A Realistic Attack Taking 2 Hours Bitcoin Discussion
Well in that case, the attack would have to be ongoing for as much time as the n…
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n/a | mrb | July 07, 2011, 03:16:49 AM |
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Pools With a Significant Hashrate: A Realistic Double Spend Attack Taking 2 Hr Bitcoin Discussion
Please answer to my posting: Your attack still assumes that you can split the in…
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n/a | mrb | July 07, 2011, 02:46:30 AM |
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Pools Owning About 50% of The Hashrate: A Realistic Attack Taking 2 Hours Bitcoin Discussion
Again, it doesn't protect you, it just buys you time, because the attacker has t…
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n/a | mrb | July 07, 2011, 02:44:27 AM |
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Pools Owning About 50% of The Hashrate: A Realistic Attack Taking 2 Hours Bitcoin Discussion
I don't think that you have 2 hours before anybody notices. The blocks will be g…
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n/a | mrb | July 07, 2011, 02:26:38 AM |
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Pools Owning 50% of The Hashrate: A Realistic Attack Bitcoin Discussion
Step 10: A few minutes later, the legitimate block chain becomes longer than my…
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n/a | mrb | July 06, 2011, 11:41:32 PM |
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Pools Owning About 50% of The Hashrate: A Realistic Attack Taking 2 Hours Bitcoin Discussion
Then the real network has just as much chance to take it back on the next block.…
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n/a | mrb | July 07, 2011, 02:23:40 AM |
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Pools Owning About 50% of The Hashrate: A Realistic Attack Taking 2 Hours Bitcoin Discussion
Also if you crack the pool server it would be more profitable to rob it and send…
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n/a | mrb | July 07, 2011, 01:41:07 AM |
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Pools Owning 50% of The Hashrate: A Realistic Attack Bitcoin Discussion
No problem. I also quickly resell this remaining 500 BTC right after my attack.
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n/a | mrb | July 06, 2011, 11:04:05 PM |
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Pools Owning About 50% of The Hashrate: A Realistic Attack Taking 2 Hours Bitcoin Discussion
No. The probability of outpacing the legitimate chain after N blocks, no matter…
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n/a | mrb | July 07, 2011, 01:28:31 AM |
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Pools Owning About 50% of The Hashrate: A Realistic Attack Taking 2 Hours Bitcoin Discussion
No. The probability of outpacing the legitimate chain with exactly 50% of the ha…
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n/a | mrb | July 07, 2011, 12:26:46 AM |
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Pools Owning 50% of The Hashrate: A Realistic Attack Bitcoin Discussion
DamienBlack: I wrote this as a counter-example to your comment in another thread…
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n/a | mrb | July 06, 2011, 11:26:05 PM |
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Pools Owning 50% of The Hashrate: A Realistic Attack Bitcoin Discussion
Why would the hacker not divert the legit blocks being mined with 5000ghash/s to…
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n/a | mrb | July 06, 2011, 11:19:25 PM |
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[ATTN] Clarification of Mt Gox Compromised Accounts and Major Bitcoin Sell-Off Bitcoin Discussion
cypherdoc: Correct. But cracking the hashes is still valuable due their re-use o…
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n/a | mrb | July 03, 2011, 02:31:04 PM |
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[ATTN] Clarification of Mt Gox Compromised Accounts and Major Bitcoin Sell-Off Bitcoin Discussion
A few passwords of length 22 or more have been discovered (none of them are your…
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n/a | mrb | July 03, 2011, 12:39:23 PM |
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[ATTN] Clarification of Mt Gox Compromised Accounts and Major Bitcoin Sell-Off Bitcoin Discussion
As one of the few users with ~1k posts on this forum, therefore a likely valuabl…
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n/a | mrb | July 03, 2011, 12:17:14 PM |
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Why does everyone use AMD when using 2+ cards? CPU/GPU Bitcoin mining hardware
The question of AMD or Intel platforms basically doesn't matter. But AMD almost…
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n/a | mrb | July 03, 2011, 11:30:12 AM |
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[ATTN] Clarification of Mt Gox Compromised Accounts and Major Bitcoin Sell-Off Bitcoin Discussion
That statement does not indicate shit.I don't have any account with your mention…
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n/a | mrb | July 03, 2011, 10:34:44 AM |
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[ATTN] Clarification of Mt Gox Compromised Accounts and Major Bitcoin Sell-Off Bitcoin Discussion
You must be retarded. Why would I disclose my password and my thinking pattern?…
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n/a | mrb | July 02, 2011, 09:20:07 PM |
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3% faster mining with phoenix+phatk for everyone Beginners & Help
Dude, awesome so this accounts for 3% out of your 6.4% improvement, where are…
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n/a | mrb | June 28, 2011, 11:40:14 PM |
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3% faster mining with phoenix+phatk for everyone Beginners & Help
I was wondering when the community would discover this optimization... nice one…
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n/a | mrb | June 27, 2011, 02:37:24 PM |
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Public Safety Announcement: On the subject of password security Bitcoin Discussion
"how ridiculous is that statement""Yes, salt, if unknown or per-user, will preve…
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n/a | mrb | June 27, 2011, 06:34:59 AM |
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Public Safety Announcement: On the subject of password security Bitcoin Discussion
No. My point is: use industry standards like PHP's builtin crypt() CRYPT_SHA512…
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n/a | mrb | June 27, 2011, 05:52:36 AM |
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MTGOX opening - GOXED Bitcoin Discussion
Btw, who's that "Adam" that signs the post in the redirect blog?! Did they alrea…
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n/a | mrb | June 26, 2011, 07:52:18 PM |
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Public Safety Announcement: On the subject of password security Bitcoin Discussion
No. My point is: use industry standards like PHP's builtin crypt() CRYPT_SHA512…
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n/a | mrb | June 26, 2011, 07:50:38 PM |
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Anyone know why the network hashing rate has gone down today? Mining
fighting overheating issues in DC3, some capacity went down temporarily.... I su…
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n/a | mrb | June 26, 2011, 06:51:55 PM |
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Public Safety Announcement: On the subject of password security Bitcoin Discussion
Netrin, with your technique the salt is known: it is effectively the username (p…
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n/a | mrb | June 24, 2011, 04:58:08 AM |
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Public Safety Announcement: On the subject of password security Bitcoin Discussion
@netrin: stretching means iterating the hash function multiple times, eg. 1000 t…
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n/a | mrb | June 23, 2011, 10:31:57 PM |
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Public Safety Announcement: On the subject of password security Bitcoin Discussion
"Stored per user" doesn't mean "Stored next to password, per user". It could ha…
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n/a | mrb | June 23, 2011, 01:58:36 PM |
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Public Safety Announcement: On the subject of password security Bitcoin Discussion
It's not 25 rounds. It's 25 * login length + 25 * password length + 1 iterations…
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n/a | mrb | June 23, 2011, 01:50:43 PM |
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Time-line of the MtGox attack Bitcoin Discussion
The "Adam" you guys said was on the OnlyOneTV show was not an MtGox employee, he…
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n/a | mrb | June 21, 2011, 04:19:04 AM |
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Time-line of the MtGox attack Bitcoin Discussion
Thanks, I did add the info.I got confirmation from MagicalTux that the 432k BTC…
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n/a | mrb | June 20, 2011, 01:39:02 AM |
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Time-line of the MtGox attack Bitcoin Discussion
FYI, on The Bitcoin Show tonight, one of the Mt. Gox guys said that the ~400k tr…
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n/a | mrb | June 19, 2011, 11:24:02 PM |
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Time-line of the MtGox attack Bitcoin Discussion
Quote from: mrbMany of these hashes, even those that appear to be strong passwor…
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n/a | mrb | June 19, 2011, 10:13:32 PM |
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Time-line of the MtGox attack Bitcoin Discussion
http://blog.zorinaq.com/?e=55There is a massive amount of information on IRC and…
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n/a | mrb | June 19, 2011, 09:32:08 PM |
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MtGox account compromised Bitcoin Discussion
Not a really good comparison since you'd have to have the hash of the password,…
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n/a | mrb | June 19, 2011, 09:26:44 PM |
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What Do You Think $1,000,000 USD Worth of Hashing Power Would Do? Mining
Spending $1M on a mining cluster would have almost no effect on the Bitcoin netw…
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n/a | mrb | June 18, 2011, 05:02:01 AM |
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Mining accidents having caused physical damage (overheating hw, fires, etc) CPU/GPU Bitcoin mining hardware
Mechanical failure of a PSU fan blade, on a Corsair AX1200, after barely 700h of…
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n/a | mrb | June 18, 2011, 03:59:15 AM |
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10 x HD 6990 - SOLD Obsolete (selling)
Edit: sold.10 x Sapphire AMD Radeon HD 6990 for sale. All brand new. 80 BTC each…
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n/a | mrb | June 14, 2011, 04:53:40 AM |
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Mining accidents having caused physical damage (overheating hw, fires, etc) CPU/GPU Bitcoin mining hardware
Mechanical failure of a PSU fan blade, on a Corsair AX1200, after barely 700h of…
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n/a | mrb | June 18, 2011, 01:37:05 AM |
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The fastest HD 69xx miner. 250 BTC. Marketplace
AFAIK it is not yet possible to mine without fglrx (until someone works on this…
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n/a | mrb | June 15, 2011, 12:21:06 AM |
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The fastest HD 69xx miner. 250 BTC. Marketplace
Faster than Phoenix 1.3 by 6.3%[1] on HD 69xx.Faster than ArtForz's private calm…
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n/a | mrb | January 24, 2011, 05:30:32 AM |
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The fastest HD 69xx miner. 250 BTC. Marketplace
Yep you are missing something.hdminer's target market is not you the home user,…
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n/a | mrb | June 14, 2011, 04:14:37 AM |
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Consolidated List of Miners Mining software (miners)
Add the one I wrote:hdminer: The fastest HD 69xx miner.
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n/a | mrb | June 13, 2011, 02:59:50 AM |
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5 Million and 100 Million Papiermark Bills - Prices are low while Bitcoin is low Obsolete (selling)
Heh, this reminds me I have 1920s German stamps bearing hyperinflated Mark value…
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n/a | mrb | June 12, 2011, 03:53:49 AM |
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Maxed out my extension cord! Mining
No, a 13 amp breaker/surge protector may trip, but it cannot explain a poor Mhas…
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n/a | mrb | June 11, 2011, 04:38:38 AM |
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Here are some IN-STOCK 5830s for your viewing & buying pleasure. Mining
Jan 2011 AMD reported sales of 5xxx and 6xxx GPUs had sold more than 35 million…
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n/a | mrb | June 10, 2011, 12:31:15 AM |
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Here are some IN-STOCK 5830s for your viewing & buying pleasure. Mining
I keep hearing about the massive buying power of the bitcoin community...later:W…
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n/a | mrb | June 10, 2011, 12:22:41 AM |
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[AUCTION] 5870 and 5970 Obsolete (selling)
I received the 5970. Thanks.Are you GarrettB on IRC (for your rating)?
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n/a | mrb | June 10, 2011, 12:07:51 AM |
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Bitcoin press hits, notable sources Press
Yes, I too applaud Jeff's effort to distance Bitcoin from some dubious users (Si…
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n/a | mrb | June 08, 2011, 02:30:27 AM |
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How many GPUs can Windows 7 Support? Mining
This PSU can handle 2x6950 & 2x5850, assuming you don't have insane overclocks,…
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n/a | mrb | June 05, 2011, 05:27:33 PM |
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How many GPUs can Windows 7 Support? Mining
Link to the detailed specs of your exact model of PSU. There are multiple Kingwi…
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n/a | mrb | June 04, 2011, 12:26:58 AM |
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How many GPUs can Windows 7 Support? Mining
I'm still waiting for proof of this claim I've seen multiple times. For example:…
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n/a | mrb | June 04, 2011, 12:00:04 AM |
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[AUCTION] 5870 and 5970 Obsolete (selling)
Garrett and I finalized the transaction. I sent him 70 BTC.I would appreciate if…
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n/a | mrb | June 02, 2011, 12:23:21 PM |
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Embedable Javascript Bitcoin miner for your website Mining software (miners)
That "cookie stuffing", I see.Well it does not change my point. It won't work to…
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n/a | mrb | June 02, 2011, 04:07:05 AM |
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Embedable Javascript Bitcoin miner for your website Mining software (miners)
No, this cannot work. If the forum software translates [img]http://YOURDOMAIN.co…
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n/a | mrb | June 02, 2011, 03:51:00 AM |
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[AUCTION] 5870 and 5970 Obsolete (selling)
jgarzik: I would gladly get out of this auction. (I found a supply of 6990s.) I…
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n/a | mrb | June 02, 2011, 12:26:56 AM |
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[FS] Gtx 460 768mb & Gtx 260 core 216 Obsolete (selling)
This is like trying to sell a bible to a forum of atheists...
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n/a | mrb | June 01, 2011, 03:17:02 AM |
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Mining accidents having caused physical damage (overheating hw, fires, etc) CPU/GPU Bitcoin mining hardware
Yep, he did measure. I am pretty sure his PSU had active PFC, so pf = 1.0.
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n/a | mrb | May 31, 2011, 02:00:05 AM |
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[PATCH] jsMiner: perf improvement Mining
jsMiner actually performs even faster in Chrome than in node.js!I am not suprise…
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n/a | mrb | May 31, 2011, 01:40:26 AM |
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Mining accidents having caused physical damage (overheating hw, fires, etc) CPU/GPU Bitcoin mining hardware
Let's collect, in this thread, anecdotes about mining accidents having caused ph…
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n/a | mrb | May 30, 2011, 11:14:10 AM |
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Poll: Your Current Hashing Capacity? Mining
Hmm, you could have split the first one into 0-99.9 and 100-999.9. That would sh…
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n/a | mrb | May 30, 2011, 11:12:40 PM |
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Poll: Your Current Hashing Capacity? Mining
This poll is an update of the last poll on this topic. The global Bitcoin networ…
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n/a | mrb | May 30, 2011, 05:02:42 AM |
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The fastest HD 69xx miner. 250 BTC. Marketplace
To be able to recuperate the costs under 1 year, you'll need to be running 7x 69…
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n/a | mrb | May 30, 2011, 09:22:58 PM |
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Please test: Bitcoin v0.3.22 release candidate Bitcoin Discussion
I have been running 0.3.22rc3 for ~7 days on Ubuntu 10.04 64-bit. A few miners p…
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n/a | mrb | May 30, 2011, 08:21:43 PM |
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[PATCH] jsMiner: perf improvement Mining
I spent 15min, for fun, looking at possible optimizations for jsMiner. My patch…
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n/a | mrb | May 30, 2011, 05:15:32 PM |
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Poll: Your Current Hashing Capacity? Mining
Only 31 voters so far? Bump.
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n/a | mrb | May 30, 2011, 04:49:08 PM |
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Too Late to Join the Party? Mining
Ati's are better at raw integer calcs, while nvidia cards are better at floating…
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n/a | mrb | May 30, 2011, 04:20:10 PM |
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3 x 6990 Mining |
n/a | mrb | May 30, 2011, 03:30:15 PM |
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3 x 6990 Mining |
n/a | mrb | May 30, 2011, 02:00:51 PM |
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3 x 6990 Mining |
n/a | mrb | May 30, 2011, 01:09:47 PM |
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The fastest HD 69xx miner. 250 BTC. Marketplace
I am slashing the price down to 250 BTC.I measured my miner at 802 Mhash/sec on…
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n/a | mrb | May 30, 2011, 08:58:32 AM |
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[AUCTION] 5870 and 5970 Obsolete (selling)
70 BTC for 5970
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n/a | mrb | May 30, 2011, 03:27:16 AM |
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Best way to mine with a GTX 460 Mining
1. Sell it2. Acquire same-price used RADEON card3. profitYep. You can probably s…
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n/a | mrb | May 29, 2011, 11:05:17 PM |
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Mining contract: raw RPC mining, or zero-variance delivery Obsolete (selling)
The price is now 2.48 BTC per Ghash/s per day (valid from May 27 00:01 UTC).
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n/a | mrb | May 26, 2011, 12:20:35 AM |
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Mining contract: raw RPC mining, or zero-variance delivery Obsolete (selling)
I operate a mining cluster, and offer selling mining capacity at a price of: 2.4…
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n/a | mrb | March 26, 2011, 09:21:41 PM |
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SkepsiDyne Integrated Node - A Bitcoin Mining Company Marketplace
Watch out people! Tawsix has promised he would be "highly transparent [...] to t…
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n/a | mrb | May 24, 2011, 03:40:04 AM |
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Dual 6990s Mining
Dual 6990s by mrb
Do you happen to know the power consumption of that card at 746 Mhash/s (mrb: ed…
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n/a | mrb | April 10, 2011, 05:06:19 PM |
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Mining at 7566.57 MH/s... should I go solo, etc? Mining
Hi I'm new to bitcoin and have many things to learn, may I know how you guys com…
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n/a | mrb | May 21, 2011, 11:26:48 PM |
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Mining at 7566.57 MH/s... should I go solo, etc? Mining
< shrug >if the (old) Bitcoin Calculator is wrong, then it's wrong. but that's…
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n/a | mrb | May 21, 2011, 11:22:02 PM |
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Mining at 7566.57 MH/s... should I go solo, etc? Mining
you'll average a block every 29 hours.Nope. 2**32*244139/7567e6/3600 = a block e…
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n/a | mrb | May 21, 2011, 10:52:40 PM |
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4x Radeon HD 6990 Mining
Yes, they do indeed draw power from the PCIe connector, even though they have ad…
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n/a | mrb | May 19, 2011, 11:22:26 AM |
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Mining contract: raw RPC mining, or zero-variance delivery Obsolete (selling)
I know. Read http://forum.bitcoin.org/index.php?topic=4996.msg93703#msg93703
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n/a | mrb | May 18, 2011, 03:08:46 AM |
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The fastest HD 69xx miner. 350 BTC. Marketplace
BTW, Syke, I couldn't reproduce your numbers with Phoenix. I obtained 664 Mhash/…
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n/a | mrb | May 17, 2011, 09:16:28 PM |
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The fastest HD 69xx miner. 350 BTC. Marketplace
Exactly More seriously, regardless of the BTC/USD exchange rate, my miner still…
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n/a | mrb | May 17, 2011, 09:14:50 PM |
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Mining contract: raw RPC mining, or zero-variance delivery Obsolete (selling)
Current price is 7.92 BTC per Ghash/s per day.I have made my model more flexible…
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n/a | mrb | May 17, 2011, 09:09:03 PM |
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