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2141  Other / Meta / Re: Can't see my own PMs? on: May 30, 2012, 09:32:48 PM
There is also a checkbox "Save a copy in my outbox" when you send a PM.
2142  Other / Beginners & Help / Re: Howto: New Bitcoin installation? Slow block downloading? Missing transactions? on: May 30, 2012, 07:00:12 PM
I'll give this thread a bump since there are currently several noob posts experiencing Bitcoin and it's slow initial startup - questions answered here. First post updated.
2143  Other / Beginners & Help / Re: Original Bitcoin client is painfully slow on: May 30, 2012, 06:41:15 PM
Relevant thread:

Howto: New Bitcoin installation? Slow block downloading? Missing transactions?
2144  Bitcoin / Bitcoin Discussion / Free: mailinator disposable email redirect at xxxx@we.lovebitco.in on: May 28, 2012, 02:37:44 AM
If you don't know mailinator.com, it a disposable email service with no passwords. Just pick any email address and you can check that email box. Emails stay in the inbox about 12 hours before being deleted. Lots of forums and sites have blocked it's domain though, since they don't like anonymous or spammy accounts, so I set up MX redirection from the domain we.lovebitco.in to mailinator email servers. You can also do this with your unused domain names.

1. Go to mailinator, type a inbox name to check the email address mailbox,
2. You can use inbox_name@we.lovebitco.in or the alternate_address@we.lovebitco.in when signing up for spammy sites needing some email confirmation
3. send the mail box some test emails and check it out.
2145  Economy / Computer hardware / Re: {WTS} ANTEC Earthwatts 750w ATX2.3 SLI Modular Power Supply, 4xPCIe - 15 BTC on: May 25, 2012, 01:58:04 PM
I have a feeling that since each "rail" is individually listed as 25A (which would mean 1200W output if true for each rail), but the max load on all +12V is 56A, that any concerns are unwarranted, any distinction is just the current rating of the molex connectors and wires.

2146  Economy / Computer hardware / {SOLD} ANTEC Earthwatts 750w ATX2.3 SLI Modular Power Supply, 4xPCIe - 15 BTC on: May 25, 2012, 03:33:41 AM
FS from Oregon USA: Antec EA750 750w 80plus power supply, about six months old, I've got nothing that needs this much power any more, so it can be yours (it's in the computer that I am typing on right now...). Shipped USA 15BTC, or Paypal $80 for users with trading history.
(SOLD locally for cash)

It's the same as in this review: http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story&reid=163

2147  Bitcoin / Development & Technical Discussion / Re: Vanitygen: Vanity bitcoin address generator [v0.17] on: May 24, 2012, 02:53:34 AM
Attempting to run oclvanitygen I received this error:

Code:
clGetPlatformIDs(0): Unknown code -1001
clGetPlatformIDs(0): Unknown code -1001

With SDK 2.1 oclvanitygen didn't give me a problem running, but with SDK 2.4 I get the above message.
With 2.4 it didn't work for me, but SDK 2.5 and above is fine (Catalyst 11.11)
2148  Bitcoin / Mining software (miners) / Re: Current state of pool hopping? on: May 21, 2012, 04:50:57 AM
It should be 0% full-time miners with the pool dying after solving it's final block, but it seems the wealth of miner ignorance still abounds.

I do hope payout method changed or fulltimers wake up. I have to disagree with your analysis though - with 0% fulltimers that last block would never get solved.  Wink
That's what I mean when I describe the death of a proportional pool, with all the fool-time miners leaving, the pool passes 43% one last time, all the hoppers leave, and the pool never finds another block. This should have happened a long time ago.
2149  Bitcoin / Mining software (miners) / Re: Current state of pool hopping? on: May 20, 2012, 11:55:43 PM
I already sold all my 6970s in Australia. Mining with nothing but 7970s now.

I was wondering why the market was saturated.

/offtopic


I was just reminded that bitlc is still prop for the next little while. I think they'll be going PPLNS, but they're hoppable until then. I think they're delaying stats, so you'll need to use long poll data as per Deepbit.
Still no changes there after 10 months, it's less than 100ghash/s of idiot full-time miners and 300ghash/s of hoppers. https://www.bitlc.net/statistics/graphs
It should be 0% full-time miners with the pool dying after solving it's final block, but it seems the wealth of miner ignorance still abounds.
2150  Other / Beginners & Help / Re: BAMT major issue on: May 17, 2012, 05:35:17 PM
Mining on an Nvidia laptop GPU is not going to make you more than some Bitcoin dust, expect about 10-20Mhash at best. Although I haven't used BAMT, it is likely that it only has ATI video card drivers, as that is the only GPU that makes sense to do dedicated mining on. It would be at best just a learning experience to mine on this laptop, and learn you shall if you want to diagnose the booting problem and make a new BAMT image.

Phoenix also has problems with Nvidia, the last time I tried it, all work it produced was invalid shares. The easiest way to GPU mine on nVidia hardware (and reduce the life of the laptop) is to get guiminer and use it for opencl or cuda mining.
2151  Bitcoin / Development & Technical Discussion / Re: sharing block chain on: May 07, 2012, 05:38:21 PM
Is there any way with the current Bitcoin-Qt client to share the block chain with multiple wallets?  Ideally I'd like to be able to do that when the multiple wallets are running concurrently.  From looking at the directory structures, about the only way I can see is if you swap out wallet.dat with the desired wallet when you start it up.  I now have about 5 copies of the block chain on my computer…I'm looking for options to consolidate around a single copy of the block chain.

I'd love it if the wallet functions and the client functions could be separated into two different processes.  Another way of solving it would be to enhance the Bitcoin-Qt such that it could manage multiple wallets (even just a feature to open a different wallet.dat file from the file system).

In multiple --datadirs you can make a symbolic link to a central blockchain dat and idx file, as long as you don't attempt to run multiple instances of Bitcoin. This may result in transactions being missed, but I believe that one of the recent features added to Bitcoin for wallets to store a "last block seen" pointer so it can rescan from that point if a fully updated blockchain is used will mitigate this (this feature is also useful when restoring wallet backups, etc).

Each copy of Bitcoin would try to open the blockchain file and write to it and update blocks; running multiple Bitcoins accessing the same database file at the same time is not going to work. It is possible to have multiple users access one Berkeley database, but Bitcoin is not going to be aware of other Bitcoin client's write activities, and for the scale of rewrite to support this you might as well just write a multiple-wallet-supporting Bitcoin.
2152  Bitcoin / Development & Technical Discussion / Re: Vanitygen: Vanity bitcoin address generator [v0.17] on: May 07, 2012, 05:25:46 PM
You can truncate your 28 character phrase to 12 characters, and it still won't be found for years. The processing power and time to find a Bitcoin address that long is essentially equivalent to breaking Bitcoin cryptography - something like the age of the universe if the entire earth was GPU cores.

OpenCL vanitygen on even a meager GPU will be 50 times faster, but the word list will overflow around 20000 to 50000 words depending on the lengths. You can do a case-insensitive search for your words, and for the ones where you wanted a single case, just ignore the undesireable results; for a six-letter phrase, you will get about 64 "bad" results for every result with the correct case.
2153  Bitcoin / Mining / Re: IMPORTANT: April 1 deadline for BIP16 support on: May 06, 2012, 07:56:58 AM
I have a question
Why we have "block/transaction versions" if we don't use it? There was a good moment to increment version number and later use it in such way: if Miner gets a "strange" block with increased version number -- it is a signal for him to check for new soft. We could have avoided many of lost orphaned blocks
We should have, but "we" didn't think of that in time.

I've been working on a "how to do it better next time" document:
  https://gist.github.com/2355445

...so this doesn't happen: http://blockchain.info/tx-index/3618498/4005d6bea3a93fb72f006d23e2685b85069d270cb57d15f0c057ef2d5e3f78d2
2154  Bitcoin / Mining / Re: Wonder who this solominer is? 88.6.216.9 on: May 06, 2012, 07:31:37 AM
Whoa what the honk! Just checked here: http://dot-bit.org/tools/nextDifficulty.php

Namecoin - last 10 - 1.56x
Bitcoin - last 10 - 1.49x
Bitcoin - last 120 - 1.25x

There is a very low probability that the hash rate has not increased, with 120 blocks solved in 80% of the time expected for the last difficulty. If I cared I would calculate it.



Maybe the bitforce singles are burning in... I think BIP16 broke the mystery miner...
2155  Economy / Goods / Re: WTB Crow Vending Machine for 40BTC on: May 05, 2012, 02:14:03 AM
The only thing you should be doing with that feeder is blasting the crows in the face with a shotgun. Like Norway rats, they are an invasive species almost everywhere, having followed the filth of humans, and displace native songbirds.
2156  Other / Beginners & Help / Re: Help! I had 78 bitcoins. on: May 04, 2012, 07:09:36 PM

A wallet where you memorize 101 51-character private keys?

You memorize a mnemonic.
Let me help you understand the joke: http://rodneyolsen.net/2009/12/r-i-p-the-real-rain-man.html
2157  Other / Beginners & Help / Re: Help! I had 78 bitcoins. on: May 04, 2012, 12:45:14 PM
Immediately stop using the hard drive. If you must have a working system, make a disk image of the drive and use the image (use software like ghost 11); pull the drive and stop using it. Every disk write is a chance that the area of the drive that held the bitcoin private keys will be overwritten.

The private keys of bitcoin addresses can be recovered off the hard drive after the files are deleted. However, Windows Vista/7 defrags once a week and will quickly overwrite unallocated areas if you don't yourself.


A wallet where you memorize 101 51-character private keys?
2158  Other / Beginners & Help / Re: Bitcoins stolen from MT Gox - THEY COULD NOT CARE LESS on: May 04, 2012, 12:38:43 PM
Keyword : June = mtgox hack

The Mtgox user/encrypted password list was stolen, and if the password wasn't changed on the account, it would be just a matter of time before a hacker cracked the password.
2159  Other / CPU/GPU Bitcoin mining hardware / Re: (Updated w/ pics) Watercooled Rack of Servers - 50% completed on: April 30, 2012, 03:21:46 PM
Probably the cleverest way to preheat hot water would be to get an old second water heater and put it before your main water heater - you can probably find a craigslist one with a burned out element or such. Instead of a heater element inside it, you would put a "radiator" inside of it for your water cooling. Since you can't open up the tank to put in a normal radiator, perhaps a dozen feet of pex or copper tubing inside the thing circulating your coolant would do the job. The best kind to modify would be an electric with two heater elements, as pictured below, so one element can be your coolant inlet, and one can be your outlet. You remove the elements, fish tubing from the top to the bottom, and shove as much extra pex as will coil around inside the water heater. Then the trick will be finding fittings that let the piping pass into the water tank and still seal the inlets where the tubing passes so they will hold water pressure.

Note that the city water pressure will want to collapse the low-pressure coolant tubing. Although it should resist this crushing pressure, your coolant pump should be right before the water heater pumping coolant into the exchanger. Also note that if the tubing/radiator inside the water pre-heater ruptures, this will allow 60-80psi of water pressure into your coolant lines, so an emergency coolant pressure relief valve should be installed where it can let out water to prevent a hose blowout inside your racks.

With such a setup, you could preheat 15C water up to 40-50C, as warm as the coolant coming out of the systems.

2160  Other / Off-topic / Re: Did Muhammad a.k.a Mohammed actually exist ? on: April 30, 2012, 02:38:34 PM
There are countries where suggesting or debating that the Koran was a creative work by this guy instead of the pure unadultered word of Allah as passed by his vessel will get you a death sentence (just like leaving the faith will get you a death sentence, or getting raped). That is why you have the fervor about Muhammad being just a man, and the ban on idolizing or drawing images of him and such, since the origin story of the Koran must be downplayed; anyone could have presumably been chosen by god to record his laws.
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