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81  Economy / Speculation / Re: bitscalper anyone use this ? on: January 13, 2012, 03:55:50 AM
Well, this could be Bernie Madoff running his operation from his prison Internet connection. It would explain why...

Quote
We choosen (SIC!) to protect our identity because in our Country Bitcoin-related business is considered a banking-like activity, and it's regulated. We do not hold any legal license to operate, hence our choice.

He obviously can't set up business with dollars anymore, and Bitcoin makes the perfect choice.

The similarities are striking.

And to the decent, honest posters above: Everybody likes ponzi schemes. Until they get burned.
82  Economy / Goods / Re: [WTB] 1 or 2 GPUs for Belgium on: January 11, 2012, 01:15:27 PM
Cards posted today.

Please let me know if everything is OK when you receive them .

Thiago, if P4man gives you the OK, please send funds to 19bbqmjGptPdFzaVD4GJSoHS14eDFugndD
83  Economy / Goods / Re: [WTB] 1 or 2 GPUs for Belgium on: January 11, 2012, 06:22:06 AM
Thx Thiago,

Shipping today. I'll post update.
84  Alternate cryptocurrencies / Altcoin Discussion / Re: Pool Ops are now the Alt Currency Police on: January 09, 2012, 04:51:11 PM
Anyone with a copy of the CLC blockchain and bitcoin-utils can easily verify that the bitcoin parent blocks used to attack CLC belong to eligius. Personal equipment my ass.

As far as I understand, this is clearly the case, however Luke claims that creating a custom coinbase to include CLC in the merged mining of his pool, does not have anything to do with Eligius miners. It's not the first time he used the coinbase to his personal whims. Their hashes therefore just "happened" to solve CLC blocks, which were passed to the CLC daemon that Luke was running in his "personal equipment". Instead of a CLC-related string, it could have been hymns or exorcisms.

Thus, the "I did not use Eligius hashing power to shut down CLC".
85  Alternate cryptocurrencies / Altcoin Discussion / Re: [ANN] Elitist Jerks 0% Fee PPLNS We Pay for Orphans - Litecoin - [3000+ KH/S] on: January 09, 2012, 05:36:46 AM
Hi, wknight. Some feedback:

After 12 hours of hashing, I got close to 0.5% stales which is much better indeed than my previous experience (closer to 1.5%). This is on par with what I get in other pools.

I tried with -s 30 flag, and that's what I usually do as I don't want to overload a server with getwork requests. I suppose if I reduce that, I will get less stales.

In any case, I have to note that the move to the Erlang-based Ecoinpool seems to have improved things greatly, and I have to give congratulations for trying innovative pool software.

Despite the recently expressed views on the forum, that Alt coins don't provide innovation (by themselves maybe), it goes to show that having more opportunities to experiment (as in having various alt coins alive) creates a fertile ground for innovation. I would find it hard to think how a Bitcoin pool as an example would risk trying a completely new pool back-end, with the danger of crashing down and losing its miners.

Regards, and best of luck with your endeavour.
86  Economy / Goods / Re: WTB: 2x Matched LGA 771 Quad-Core Xeons on: January 08, 2012, 06:47:08 PM
PM sent.
87  Economy / Speculation / Re: How about this Bitcoinica strategy? on: January 06, 2012, 08:37:49 AM
My general strategy is to take an expected future value, something simple like a linear interpolation from the past week or so. When the price jumps higher sell, when it's lower buy, but only a little bit. In the inevitable situation that the price jumps again, sell/buy more. Make sure you have enough reserves to double down 3 or 4 times. If you predict it wrong 4 times in a row, well then you lose.
That's called Martingale strategy and is an absolutely certain (probability=100%) way for anyone to go bust. Read any book on trading.
88  Economy / Speculation / Re: Bitcoinica "zhoutonging price" formulae (unofficial) on: January 06, 2012, 08:34:58 AM
Thanks Zhou, at last it is clear to me. I've been trading on margin for about 5 years and I am used to calculating leverage, expected profit, stops and margin calls in my head, just by looking at the prices of what I'm trading.

Until this post, I could not for the life of me figure out what your calculations were. I still don't get the logic behind it, but at least it is clear.
89  Bitcoin / Project Development / Re: VirtualMiner.eu - Release Candidate! on: January 02, 2012, 04:56:27 PM
I tried with about 5 usernames and they all are rejected with a "Username already taken" message. As an example, is my user handle really taken? Or is there something wrong with the registration.
90  Bitcoin / Mining software (miners) / Re: What is the best linux, amd driver and cgminer combo right now? on: January 02, 2012, 06:56:41 AM

For CGMiner 2.0.8~2.1.0 binary at Ubuntu 11.04, you'll need to modify a few things at your Linux to get it running.


Thiago, what did you do to get CGminer 2.0.8 or 2.1.0 to work in Ubuntu 11.04. I tried to search the cgminer thread but I don't seem to find what is the catch. CGMiner 2.06 works fine for me as well.

Thanks,

You must run as root:

Code:
cd /lib/
ln -s libncurses.so.5 libtinfo.so.5

after that, run:

Code:
ldd /path/to/cgminer-2.1.0-x86_64_built/cgminer

You must see:

Code:
	linux-vdso.so.1 =>  (0x00007fff9adff000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f1e856cc000)
libcurl.so.4 => /usr/lib/libcurl.so.4 (0x00007f1e85473000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f1e85254000)
libOpenCL.so.1 => /opt/AMD-APP-SDK-v2.4-lnx64/lib/x86_64/libOpenCL.so.1 (0x00007f1e8504f000)
libncurses.so.5 => /lib/libncurses.so.5 (0x00007f1e84e0b000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1e84a76000)
/lib64/ld-linux-x86-64.so.2 (0x00007f1e858e2000)
libidn.so.11 => /usr/lib/libidn.so.11 (0x00007f1e84843000)
liblber-2.4.so.2 => /usr/lib/liblber-2.4.so.2 (0x00007f1e84635000)
libldap_r-2.4.so.2 => /usr/lib/libldap_r-2.4.so.2 (0x00007f1e843e9000)
librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f1e841e1000)
libgssapi_krb5.so.2 => /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2 (0x00007f1e83fac000)
libssl.so.0.9.8 => /lib/libssl.so.0.9.8 (0x00007f1e83d58000)
libcrypto.so.0.9.8 => /lib/libcrypto.so.0.9.8 (0x00007f1e839c9000)
libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f1e837b1000)
libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x00007f1e83595000)
libsasl2.so.2 => /usr/lib/libsasl2.so.2 (0x00007f1e8337b000)
libgnutls.so.26 => /usr/lib/x86_64-linux-gnu/libgnutls.so.26 (0x00007f1e830da000)
libgcrypt.so.11 => /lib/x86_64-linux-gnu/libgcrypt.so.11 (0x00007f1e82e5f000)
libkrb5.so.3 => /usr/lib/x86_64-linux-gnu/libkrb5.so.3 (0x00007f1e82b9b000)
libk5crypto.so.3 => /usr/lib/x86_64-linux-gnu/libk5crypto.so.3 (0x00007f1e82974000)
libcom_err.so.2 => /lib/x86_64-linux-gnu/libcom_err.so.2 (0x00007f1e8276f000)
libkrb5support.so.0 => /usr/lib/x86_64-linux-gnu/libkrb5support.so.0 (0x00007f1e82567000)
libkeyutils.so.1 => /lib/x86_64-linux-gnu/libkeyutils.so.1 (0x00007f1e82364000)
libtasn1.so.3 => /usr/lib/x86_64-linux-gnu/libtasn1.so.3 (0x00007f1e82152000)
libgpg-error.so.0 => /lib/x86_64-linux-gnu/libgpg-error.so.0 (0x00007f1e81f4e000)

 You you see "File not found" here, post here...

Best!
Thiago

Thanks Thiago, 0.231 BTC donated to your wallet as a symbolic thanks.
91  Bitcoin / Mining software (miners) / Re: What is the best linux, amd driver and cgminer combo right now? on: January 01, 2012, 06:00:32 PM

For CGMiner 2.0.8~2.1.0 binary at Ubuntu 11.04, you'll need to modify a few things at your Linux to get it running.


Thiago, what did you do to get CGminer 2.0.8 or 2.1.0 to work in Ubuntu 11.04. I tried to search the cgminer thread but I don't seem to find what is the catch. CGMiner 2.06 works fine for me as well.

Thanks,
92  Bitcoin / Pools / To the moderators: Why isn't Yourbtc.net in the top 10 pools? on: December 06, 2011, 05:36:39 AM
It's been at least 10 days I'm watching this, and they have consistently enough hashpower to overtake some of the current top 10 pools. I usually look for medium-size pools and I wouldn't have seen them if I hadn't searched for DGM payout method.

Is it just oversight or is there some other reason?
93  Alternate cryptocurrencies / Altcoin Discussion / Re: Bounty for QR Code LTC Payment Processor on: December 06, 2011, 05:29:15 AM
I want to pledge another 1000 (one thousand) LTC to the bounty. And one more feature which I think would be valuable:

An RPC implementation which would easily run either with a locally stored blockchain (on the phone) or with a remote RPC server, with SSL support. A configuration menu (host, port, rpcuser, rpcpassword) would enable the user to select what they want.

Crazy_rabbit, you might want to update the first post every few days with the total bounty so far, and the list of features. Terry's comments above (open-source and no private keys circulating) and your recent addition (API implementation) are very important to me as well.
94  Bitcoin / Bitcoin Technical Support / Re: Missing transaction from wallet on: December 06, 2011, 04:44:20 AM
No, my computer was not hijacked. It's an Ubuntu server on a private network, running only cryptocoin clients, with no ports forwarded.

If you would look at blockexplorer in the link I provided, you would see that this address (13RVBjpo3xLeDBkB2NM64N8sWK4fariZUu) had its last transaction back in August, and then the 7.17 BTC appeared last week. It is obviously (to me at least) someone else's address.

Having googled and read a lot these days, I still cannot get a definitive answer about the output of the "getaddressesbyaccount" method. What are the addresses that it returns? And how is it possible that it returns someone else's address? Isn't that a bug or mistake?
95  Bitcoin / Bitcoin Technical Support / Re: Missing transaction from wallet on: December 05, 2011, 02:49:20 PM
It has been proven that a collision of addresses would require billions of years, but like finding blocks, it was possible someone generated the same address as you.

Yes, indeed, but I am looking for an answer which might be a few hundred orders of magnitude more probable than that.
96  Bitcoin / Bitcoin Technical Support / Re: Missing transaction from wallet on: December 05, 2011, 08:14:23 AM
pywallet hasn't been updated since 0.3.23, and I wouldn't trust it not to mangle or misread the new wallet database introduced in 0.4.0.

Note, also, there are some funky things that an upgrade does to pool keys (namely creating new ones). It's worth reading more in the 0.5.0 testing thread to see what the pool key rewriting does on an upgrade. Glancing at some comments, it seems that if you had a never-used private key/address, it may have been discarded during the upgrade.

If you have the private key for the bitcoin address in any form, it is still redeemable. If you backed up your wallet six months ago or such and can find the matching key pair, you can restore that (or export/import the pool key) into a fresh 0.3.24 installation (perhaps in a VirtualBox VM), and rescan for transactions and send the money.

Thanks very much for the reply, unfortunately the key is gone (I couldn't find it in any backups) and the Bitcoins with it.

There is something else very strange however, I just found out. According to blockexplorer:
http://blockexplorer.com/address/13RVBjpo3xLeDBkB2NM64N8sWK4fariZUu

The 7.17 bitcoins which I sent to this address on December 1st, were SPENT yesterday, obviously not by me. Also, I never recall having small transactions like the ones in this addresses' transaction list above. It also looks very much like a small-donation address (receiving lots of 0.02 BTC transactions) which does not look like me either, I never had a donation address.

Could anyone clarify what the output of "getaddressesbyaccount" produces? Are these addresses usable as receive addresses or not? If not what on earth are they? I could not make sense out of the Bitcoin code, as I'm far from being a cpp expert.

How is it possible that someone else has the private key for 13RVBjpo3xLeDBkB2NM64N8sWK4fariZUu and I have this address appear in my list of addresses? I suppose I am missing something really important here, so could someone help?

I consider the bitcoins gone, but I want to know what is going on, in order to avoid such mistakes in the future.
97  Bitcoin / Bitcoin Technical Support / Missing transaction from wallet on: December 01, 2011, 07:36:14 PM
I would be grateful if someone would help explain to me this:

I gave the address 13RVBjpo3xLeDBkB2NM64N8sWK4fariZUu as a receive address and got 7.17 BTC:
http://blockexplorer.sytes.net/tx/c863f35e7cf66f61dd39d289a0a50d29c71505718f7f1681c50ca8a468bb0ec2#o1

I thought this address was mine, from the output of getaddressesbyaccount (it was included in the list).

However, the transaction does not appear in my wallet.

I downloaded pywallet and checked the "dump wallet" output. The address does not appear in the "keys" list, but it appears in the "names" list.

I am running Bitcoin 0.5 (version 50000).

Was it wrong to use one of the addresses in the "getaddressesbyaccount" output?

I had done it before in the past, and I thought there would be no problem.

I do know that I should normally get a new address, but I didn't this time.

Any help would be appreciated.
98  Alternate cryptocurrencies / Altcoin Discussion / Re: FAIRBRIX - Announcement - CPU friendly - GPU hostile - Tiny premine on: November 24, 2011, 04:39:50 PM
NP. At the current rate the difficulty will probably drop 75% at the next adjustment, so don't despair  Smiley
99  Alternate cryptocurrencies / Altcoin Discussion / Re: FAIRBRIX - Announcement - CPU friendly - GPU hostile - Tiny premine on: November 24, 2011, 01:11:15 PM
Thank you. So.... do the Fairbrix automatically show up in the open wallet?



They do. But:

At the current difficulty, if you're mining with 10 KH/s (a fast processor with a few threads) you get a block every 2-3 hours. Then that block would need 150 confirmations to be credited in your wallet. At the current network hash rate, those 150 confirms can take a week or so.
100  Alternate cryptocurrencies / Altcoin Discussion / Re: FAIRBRIX - Announcement - CPU friendly - GPU hostile - Tiny premine on: November 24, 2011, 09:26:17 AM
Anyone? I need help..... please see above.

Go to the Data\Fbrix_files\ directory in the folder where you unzipped the package.
Edit the fbx.conf file (use notepad to open it) and change the line "daemon=0" to "daemon=1"
Start Fairbrix (with Start_fairbrix.exe in the initial folder)
Start the miner using start_mining.bat and do what you did before.

It will work.

After you make it, you might want to check out some more advanced miners suggested in the original thread (https://bitcointalk.org/index.php?topic=46528.0) or customize the inputs (like setting the threads number to your processor's number of cores minus 1, so that you can have a working desktop while you're mining.

Good luck.
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