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Author Topic: [4+ EH] Slush Pool (slushpool.com); Overt AsicBoost; World First Mining Pool  (Read 4381798 times)
slush (OP)
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March 23, 2011, 10:08:32 PM
 #1421

Yes, all lost emails are related to this problem. I'm working on this now. Please be patient, looks like there is something broken inside bitcoin itself.

Fairuser - I think that people already know there are more pools Cool.

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SteveB
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March 23, 2011, 10:12:38 PM
 #1422

I just switched to another pool, not only because of the payment problems but also because this pool no longer accepts any transactions without a fee. I think this is really bad for the bitcoin network. Yesterday I had a payment take over 8 hours because I did not pay a fee. There is no way I will ever pay a fee! If I wanted to pay fees, I might as well stay with my local bank!
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March 23, 2011, 10:19:18 PM
 #1423

The following is what I've observed for the last few weeks.  I understand that the allegations that are being made here are serious, and the implications even more so.  Someone has been getting screwed out of bitcoins, and that person is you.  Yes you, the miners in slush's pool.  I highly encourage everyone to save copies of as much of this as you can before it is covered up. Why you may ask? Well, I hate to break it to you, but Slush has been stealing blocks from his own pool, and that means you if you've been in his pool.

Allow me to elaborate with much detail.

For the last few weeks I've noticed a number of irregularities with the statistics page on slush's pool.  From the same blocks being listed twice with different found times [block #114361, 113576] to blocks that were claimed to be for one block number but are in fact for the block after what is being claimed on the statistics page [block #114295, 113417].

The first irregularity was observed with block 113417 on the statistics page.  When you follow the link from the statistics page, it takes you to block 113418.  Block 113418 was paid out to slush's pool address [ 12WFtKBsRLtV8p1NwRqe7YwYdi1rjwTZhA ], but is not listed on the statistics page.  This begs the obvious question of who got block 113417?  Using blockexplorer, we see that the block was generated, then after 120 confirmations passed, it was paid to [ 1FijBR5s3EU1JS3UokzTZbkAibgL4SXzxm ].  Remember this address.

The second irregularity was observed with block 114295.  When you follow the link from the statistics page, it takes you to block 114296.  Block 114296 was paid out to slush's pool address [ 12WFtKBsRLtV8p1NwRqe7YwYdi1rjwTZhA ], but is not listed on the statistics page.  This begs the obvious question of who got block 114295?  Using blockexplorer, we see that the block was generated, then after 120 confirmations passed, it was paid to [ 1FijBR5s3EU1JS3UokzTZbkAibgL4SXzxm ].

The third irregularity was observed with block 113576.  This block is listed twice on the statistics page with it being found first at 2011-03-15 04:04:11 then again at 2011-03-15 04:15:09.  When you follow the first link it takes you to block 113576 on blockexplorer, but when you follow the second link it takes you to block 113577.  This appears to be just a bug due to the fact that both blocks 113576 and 113577 were paid to slush's pool address [  12WFtKBsRLtV8p1NwRqe7YwYdi1rjwTZhA ].

The forth irregularity was observed with block 114361.  This has the same bug as block 113576 where it was listed as being solved twice, but in reality blocks 114361 and 114362 were solved.  Both of these blocks were paid to slush's pool address [ 12WFtKBsRLtV8p1NwRqe7YwYdi1rjwTZhA  ].  This too seems to be a bug in the code.

What we now need to focus on is the first and second irregularities with blocks 114295 and 113417.  These are the smoking guns.

We'll start again with block 113417.  The link for this block on the statistics page takes you to block 113418, and when you follow the generated bitcoins (50 + 0.02 tx fee) it is paid to the pool's address [ 12WFtKBsRLtV8p1NwRqe7YwYdi1rjwTZhA ]. Block 113418 isn't on slush's stats page.  Now look at block 113417 (which is listed on the stats page) with blockexplorer, and when you follow the generation and payment of that block it goes to [ 1FijBR5s3EU1JS3UokzTZbkAibgL4SXzxm ].

The exact same type of behavior has also happened with block 114295.  The link on the statistics page takes you to block 114296 instead of 114295.  Block 114296 was paid to slush's pool address [ 12WFtKBsRLtV8p1NwRqe7YwYdi1rjwTZhA ] but is not listed on the stats page.  When we look at block 114295 (which is listed on the stats page), and follow the generated bitcoins (again, 50 + 0.02 tx fee) it shows it's been paid out to address [ 1FijBR5s3EU1JS3UokzTZbkAibgL4SXzxm ].

Lets take a closer look at address  1FijBR5s3EU1JS3UokzTZbkAibgL4SXzxm with blockexplorer.
A quick glance at this address shows it has been collecting generated bitcoins (50 + small tx fees) since 2011-02-11.  Up until yesterday it had received 4800.69 bitcoins.  A quick look at the slush's hall of fame shows slush has 96 blocks found.  If you drop the 0.69 in transactions fees, then divide 4800 by 50, you get 96 blocks. 

4800btc / 50btc = 96 blocks

This matches slush's number of blocks found in the hall of fame.  Coincidence, I think not!!!

While is was clearly noticeable to those who have watched this the last few weeks, something changed in the last 24 hours as slush's block count in the hall of fame hasn't increased from the 96 blocks it is currently sitting at, but the received balance of account 1FijBR5s3EU1JS3UokzTZbkAibgL4SXzxm has increased by 100 bitcoins.  It appears I've missed something.

After doing some digging as to what would have caused slush's block count to stop increasing while this address is still collecting bitcoins I stumbled across a post on the bitcoin forums from a user (h00ters) who accused slush of “Slush is taking BTC from the top when no one watches..... “.  The message from h00ters was posted at 2011-03-22 05:46:38 in the bitcoinpool.com thread.  Now take a closer look at the last 3 blocks found by [ 1FijBR5s3EU1JS3UokzTZbkAibgL4SXzxm ] with the time of h00ters post. 

All times are listed in UTC.

Block 114425      (2011-03-21 17:00:59)
Block 114557      (2011-03-22 17:13:51)
[h00ters post]      (2011-03-22 17:46:38)
Block 114706      (2011-03-23 17:39:59)

Slush has stated his hall of fame page is delayed by 1 hour <seen here>, which leaves him enough time to see the post from h00ters, and put a stop on his block count from going up. 

I don't know about you, but this is just too much evidence and too much of a coincidence for me to continue mining in slush's pool.  I firmly believe that he has in fact been skimming from the top, and to top off this entire day slush is now having problems with his wallet.dat file and can't pay anyone out, and has quit tracking confirmed rewards as of a few hours ago.  I believe he has realized that a bug in his code ultimately has results in two blocks revealing what it is he's been doing since 2011-02-11.  h00ters called him out, and he is now in a panic to try and undo his mistakes.  I don't know about you, but 4900 bitcoins being taken by the pool operator from his own pool is enough to make me say I've had enough of slush's pool and I will not continue to help him put more bitcoins into his personal slush fund.

You can verify this with slush's past 1000 shares at:  http://mining.bitcoin.cz/stats/?history=1000
You can also look at slush's solved block count at:  http://mining.bitcoin.cz/stats/hall-of-fame/
An archived copy of the last 1000 shares as of 03-21-2011 is at:  http://www.mediafire.com/?k3g27u2w45l235m
An archived copy of the last 1000 shares as of 03-14-2011 is at: http://www.mediafire.com/?s7fbwxwlb62uwaf

If you know what's good for you, get out of this pool.  Any other pool is probably more honest than this pool.

Hey slush, I'm out of your pool forever.


                     /"\
                    |\./|
                    |   |
                    |   |
                    |>~<|
                    |   |
                 /'\|   |/'\..
             /~\|   |   |   | \
            |   ={@}=   |   |  \
            |   |   |   |   |   \
            | ~   ~   ~   ~ |`   )
            |                   /
             \                 /
              \               /
               \    ____     /
                |--//''`\--|
                | (( +==)) |
                |--\_|_//--|

slush (OP)
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March 23, 2011, 10:20:44 PM
 #1424

I just switched to another pool, not only because of the payment problems but also because this pool no longer accepts any transactions without a fee. I think this is really bad for the bitcoin network. Yesterday I had a payment take over 8 hours because I did not pay a fee. There is no way I will ever pay a fee! If I wanted to pay fees, I might as well stay with my local bank!

Well, in all cases, free transactions are only temporary bitcoin solution, it won't be probably possible in the future. Also, I didn't stopped receiving free transactions because I'm devillish slush, but because somebody else is spamming network heavily which consume too many resources. We are intensively working on solution and I believe that the bitcoin patch will be accepted also in upstream.

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March 23, 2011, 10:23:06 PM
 #1425

I just signed up, but when I click start mining it says 'unknown login CryptikEnigma', I'm positive I have my username and password right, and I know I'm using the right server, any ideas whats wrong?

Your username is CryptikEnigma.workername (username.workername). It sounds like you are using the poclbm-gui, as that's what I had returned to me when I hit stop, deleted a letter, and then started again.

Yes that is what I am using. Ah, I didn't know that I had to type .workername after my username, thats probably the problem.
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March 23, 2011, 10:26:11 PM
 #1426

The following is what I've observed for the last few weeks. 

OK, please create new thread (really!). This looks like loooong flame and I don't want to mix it with pool support. Thanks.

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March 23, 2011, 10:30:33 PM
 #1427

I just switched to another pool, not only because of the payment problems but also because this pool no longer accepts any transactions without a fee. I think this is really bad for the bitcoin network. Yesterday I had a payment take over 8 hours because I did not pay a fee. There is no way I will ever pay a fee! If I wanted to pay fees, I might as well stay with my local bank!

Well, in all cases, free transactions are only temporary bitcoin solution, it won't be probably possible in the future. Also, I didn't stopped receiving free transactions because I'm devillish slush, but because somebody else is spamming network heavily which consume too many resources. We are intensively working on solution and I believe that the bitcoin patch will be accepted also in upstream.

I understand why you are doing this but I think your pool is becoming too big and any changes you make (even if temporary) has a huge affect on the bitcoin network.
slush (OP)
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March 23, 2011, 10:37:39 PM
 #1428

I understand why you are doing this but I think your pool is becoming too big and any changes you make (even if temporary) has a huge affect on the bitcoin network.

This problem is not related to the pool - other people (on IRC) have the same troubles. There is only the difference that I'm more on the eyes and people are more sensitive. I understand this can turn to politics. But for now it is just technical issue and the best thing to do is to solve it, not to chat about it.

I have probably the working patch already, I have to test it with my rig over the night. As this is very critical, I don't want to pull fresh patch directly to the production. I believe that people understand this (those who _want_ to understand).

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March 23, 2011, 10:40:30 PM
 #1429

To all people - I understand that you can have some reason to complaining or for not believing me for some reason. Please start calm discussion, show me your arguments and let me talk about my arguments. It can be more constructive than showing middle fingers, really.

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March 23, 2011, 10:43:03 PM
 #1430

I understand why you are doing this but I think your pool is becoming too big and any changes you make (even if temporary) has a huge affect on the bitcoin network.

This problem is not related to the pool - other people (on IRC) have the same troubles. There is only the difference that I'm more on the eyes and people are more sensitive. I understand this can turn to politics. But for now it is just technical issue and the best thing to do is to solve it, not to chat about it.

I have probably the working patch already, I have to test it with my rig over the night. As this is very critical, I don't want to pull fresh patch directly to the production. I believe that people understand this (those who _want_ to understand).

So we will not get paid until at least tomorrow?  It would be nice if you could refute truthHurts claim as well he said it rather bluntly I know but it should be addressed.

Names do not matter; however, if you insist...id...
slush (OP)
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March 23, 2011, 10:47:27 PM
 #1431

So we will not get paid until at least tomorrow?  It would be nice if you could refute truthHurts claim as well he said it rather bluntly I know but it should be addressed.

Payments are different problem, I'm working on it and they should go out in hours or two. Unfortunately there went break more things at the same time, I'm doing it one after one. The problem of TX spam and the crashed bitcoin node are both bitcoin client related, but unrelated each other.

I don't want answer to truthHurts here as I don't want flame here, but of course I have evidence that he's completely wrong. OK, let's talk about it in separate thread, please.

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March 23, 2011, 10:49:38 PM
 #1432

Separate thread made, please head over to it.

Use my referral codes for Bitcoin faucets and I'll send you 30% of my referral bonus - Win/Win! PM for details on all sites available or use one of the links here.

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March 23, 2011, 10:52:27 PM
 #1433

This problem is not related to the pool - other people (on IRC) have the same troubles. There is only the difference that I'm more on the eyes and people are more sensitive. I understand this can turn to politics. But for now it is just technical issue and the best thing to do is to solve it, not to chat about it.

I have probably the working patch already, I have to test it with my rig over the night. As this is very critical, I don't want to pull fresh patch directly to the production. I believe that people understand this (those who _want_ to understand).

I understand and I will probably be back once these 2 problems have been resolved. I have been very happy with your pool this past 4 weeks since I started mining. I doubt you will miss me as my hashing speed is only 155 Mhash/s.
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March 23, 2011, 10:52:42 PM
 #1434

As there is expected next slashdot wave, I closed the pool registration again. This is just precaution - I don't need yet another problem at this moment, need to sleep sometime Smiley. As the issue with transactions will be solved, I'll open registration again.

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March 24, 2011, 02:05:18 AM
 #1435

Hi slush:

I know you mentioned previously you were experiencing some payment issues but I saw that my payment threshold was crossed within the last hour and a payment appears to be sent ( the funds are no longer in my account). I have yet to see the transaction within my client, is this normal? I do have a fully update to date block chain.
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March 24, 2011, 02:17:42 AM
 #1436

Current status:

The issue with broken bitcoind is fixed correctly. The only one 'problem' is that people who had received payouts during yesterday(UTC) don't see those payments in 'payout history'. I'll fix it tomorrow manually. I paid out all pending "confirmed rewards" from yesterday before few minutes.

Today I also implemented "sendmany", the new way for batch payouts, which save Bitcoin network resources significantly. As it is in testing mode, I need to send payments manually for some time (one or two days) and watch if everything goes well. At this moment we're waiting to two batch transactions to be included in a block. If those two transactions will be included into blocks without problems, I'll send all pending payouts during next day.

You can also watch all pending batch payouts from the pool on BitcoinCharts. Pool transactions are usually those records with tens of addresses inside.

Pool unrelated note to sendmany transactions: This is very new feature and only few clients in Bitcoin network actually broadcast it. This means that you probably won't see transactions in your client before they have at least one confirmation. You'll see new balance in your wallet immediately after transaction will be included to block. This will get better as there will be more Bitcoin clients broadcasting sendmany transactions (probably version 0.3.21).

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March 24, 2011, 02:19:34 AM
 #1437

Hi slush:

I know you mentioned previously you were experiencing some payment issues but I saw that my payment threshold was crossed within the last hour and a payment appears to be sent ( the funds are no longer in my account). I have yet to see the transaction within my client, is this normal? I do have a fully update to date block chain.

Everything is fine, your payout has been processed and is waiting to confirmation. You can cross-check it on BitcoinCharts page.

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March 24, 2011, 02:21:32 AM
 #1438

Hi slush:

I know you mentioned previously you were experiencing some payment issues but I saw that my payment threshold was crossed within the last hour and a payment appears to be sent ( the funds are no longer in my account). I have yet to see the transaction within my client, is this normal? I do have a fully update to date block chain.

Everything is fine, your payout has been processed and is waiting to confirmation. You can cross-check it on BitcoinCharts page.

Wow! Cool stuff! Thanks for the prompt response!
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March 24, 2011, 08:41:35 AM
 #1439

Because first two batches were processed correctly, I send the rest right now. Few thousands of BTC is on the way, expect them every minute Smiley.

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March 24, 2011, 02:44:28 PM
 #1440

Hey slush,

I got my backlog of bitcoins. Small donation sent for all the trouble you've been through lately.

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