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521  Bitcoin / Pools / Re: [12000 TH] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers on: June 13, 2014, 04:37:17 AM
The site is showing some odd data  RE: orphaned blocks at the moment due to a rescan happening on the hot wallet server.  Will fix itself once the rescan is complete.
522  Bitcoin / Pools / Re: [6600Th] Eligius: 0% Fee BTC, 105% PPS NMC, No registration, CPPSRB (New Thread) on: June 13, 2014, 03:11:08 AM
Greetings Eligius miners,

So, after some investigation over the past month or so, it turns out a couple of clients/addresses were involved in a “block withholding attack” against Eligius which has cost us an estimated 300 BTC, and likely miners of other pools as well.

Was this done intentionally, or was it due to the same bug that was seen at BTC Guild (where validshares > 2^31 were not submitted by a particular device)? Or is there some news that I'm not aware of?

Same users.  Before the full scope of what was happening to BTC Guild was made clear, I informed many other pool operators of the addresses for accounts I was freezing in relation to the block withholding.  We were in discussion about withholding vectors already from the abnormally low luck that Eligius and BTC Guild both had in March and April respectively.
523  Bitcoin / Pools / Re: [12000 TH] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers on: June 13, 2014, 02:14:04 AM
A brief (2 hours or less hopefully) maintenance is happening on the hot wallet due to today's failed payouts.  There is an unconfirmed payout that is "stuck" currently, attempting to be done twice.  The hot wallet is being rebuilt which will correct the issue.  The concern is if another payout is prepared that uses the stuck transaction as one of its inputs, it could cause a chain of transactions which may never confirm.

Another post will be made when the maintenance is complete.  This maintenance has no effects on the pool's block solve rate (the mining servers have zero communication with the wallet server).
524  Bitcoin / Pools / Re: [11000 TH] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers on: June 12, 2014, 06:53:48 PM
A few withdrawals failed this morning because a user kept an obscenely high balance and withdrew it all at once, emptying the hot wallet.  It's being refilled now and the failed withdrawals will be pushed through.
525  Bitcoin / Pools / Re: [11000 TH] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers on: June 12, 2014, 05:39:56 AM
Once your in do you stay in ?

Ex. Pool hash continues to grow while the user adds occasional extra hash.

Once they've been notified of the private pool they are able to use it indefinitely.  It's purely a barrier to entry in order to keep it from becoming too public and forcing me to make the "Super Elite Invitation Only" Private Server.
526  Bitcoin / Pools / Re: Spliting ghash.io? on: June 11, 2014, 11:42:54 PM
*snip* stupid bullshit here

So your suggestion is another pool(s) should spend likely tens of millions building yet another massive private warehouse of mining chips and then RIP OFF CUSTOMERS like GHash does by charging more in BTC than the hash rate will ever produce?


"Cloud miners" are perfectly able to mine on other pools.  GHash.io isn't cloud mining, it's more like putting money into bonds with negative interest rates.
527  Bitcoin / Pools / Re: [11000 TH] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers on: June 11, 2014, 11:39:03 PM
If you have 15 Th/s and put it on the pool, it will notify you for private server information.  I don't respond to private server requests over the forum because of how many times it has been hacked.
So just to be clear, you have a notification set up that when user reached x amount of power that it notifies you of the servers availability ?

I know I asked this once before but don't recall your answer but what if any are the benefits to gaining access ?

It's a variable speed requirement based on recent hash rate (both user and pool).  The private servers are isolated from public servers for DDoS protection.  Similar to how during the last major attack, users were receiving notifications of alternate DNS that pointed to "semi-private" servers, except these are given out in advance to high hash rate users.
528  Bitcoin / Pools / Re: [11000 TH] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers on: June 11, 2014, 10:56:15 PM
If you have 15 Th/s and put it on the pool, it will notify you for private server information.  I don't respond to private server requests over the forum because of how many times it has been hacked.
529  Bitcoin / Bitcoin Discussion / Re: Six blocks in 11 minutes! Bitcoin on steroids? on: June 10, 2014, 03:40:06 PM
6 blocks in 10 minutes has happened a few times before, just like 0 blocks in 60 minutes happens about once a month.  6 in 10 minutes is a bit rarer though.
530  Bitcoin / Pools / Re: [1000 TH] BitMinter.com [1% PPLNS,Pays TxFees +MergedMining,Stratum,GBT,vardiff] on: June 10, 2014, 06:43:28 AM
It will take you ~18,263 days to solve a block with  32 GH/s, assuming difficulty is static.  It can take you 8, 9, 10 times longer than that, or it can take you 1 second.  On average, 18,263 days @ 32 GH/s.  This is based on current network difficulty and assuming (wrongly) that it will not change at all during that time.

Plug your speed into any mining calculator (https://www.alloscomp.com/bitcoin/calculator).  Look at the per day earnings.  Divide 25 by that number.  That's approximately how many days it will take you to solve a block at the current network difficulty assuming it never changes.


You'd be better off selling slow hardware for scrap metal and buying scratch & win tickets than trying to solo mine.
531  Bitcoin / Pools / Re: [1000 TH] BitMinter.com [1% PPLNS,Pays TxFees +MergedMining,Stratum,GBT,vardiff] on: June 09, 2014, 10:10:01 PM
$14,700 for the miner and $1,280 for the pool, that seems like a steep fee. 8.635% fee?

I'll have to look into how much work this would be to support. I'm unsure if there is actually much interest, though, and probably only for hardware which have very low hashrate.


Considering the sound of the concept, that fee is probably right.  No large miners would do this, just small ones.  You'd probably be paying for months worth of servers between each block.  And small miners use just as many resources as large ones, so you can't just throw them on a cheap one.

It would be a lot smarter for miners with obsolete hardware to just sell it for whatever somebody is willing to pay for it and buy lottery tickets.  They're more likely to get something out of it than solo mining.
532  Alternate cryptocurrencies / Mining (Altcoins) / Re: [AUTO SWITCH] ScryptGuild (BTC Guild) Beta on: June 09, 2014, 09:15:35 AM
All tohether - 13 GLC? all found by me, no one from the pool was involved. I am credited only for 7. Where the rest?

You've been credited for 13.  You had previously been credited for 7, as pointed out above in the explanation by me and the one by Sir Alan (thank you for that Sir Alan).

6 more were found in the most recent shift (4:01 AM - 5:00:59 AM), which were not credited until that shift completed (8 minutes before your most recent post).
533  Alternate cryptocurrencies / Mining (Altcoins) / Re: [AUTO SWITCH] ScryptGuild (BTC Guild) Beta on: June 09, 2014, 08:58:54 AM
Again...read what you quoted.  I know I edited it to add an even more thorough explanation, but even what you quoted clearly shows where your math is wrong.  You're counting the blocks twice.  They are not separate blocks.  There have only been 7 GLC blocks found in total during the period you're looking at.  Not 10-16.
534  Alternate cryptocurrencies / Mining (Altcoins) / Re: [AUTO SWITCH] ScryptGuild (BTC Guild) Beta on: June 09, 2014, 08:51:35 AM
You don't seem to understand how PPLNS works...there were not 10 different blocks originally and 4 more later.  If a block is solved, it's paid to the previous 5 shifts.  So that 1 block will show up under Blocks Paid to all 5 shifts.

Please, do  not dilute my  question. Where is the difference between I have beed paid I have found? PPLNS does not apply to my blocks in wich pool was not involved


I'm not dilluting your question.  The problem is you're thinking the pool has found twice as many blocks as it actually has because you're counting the Blocks Paid on each shift as if they are separate blocks when they're actually the exact same blocks split over the 5 previous shifts (though the reward was actually only paid to those two shifts, since there were no shares to award in the 3 prior).

The 5 blocks were found during shift 2907.  The pool takes the shares submitted to 2907, 2906, 2905, 2904, and 2903 for that coin as the total shares to split the reward across.  In this case, that would be the shares you submitted in 2906 & 2907, assuming you were the only user to submit shares to that coin (which seems to be the case since there were 0 shares in 2903-2905 for that coin).

2 more blocks were found during shift 2908.  The reward for these blocks was split for Shifts 2904-2908.  Like before, since there were no shares for that coin in 2903-2905, the actual split only counted shares in 2906-2908, which were all yours.

EDIT: Fixed 2907/2908.
535  Alternate cryptocurrencies / Mining (Altcoins) / Re: [AUTO SWITCH] ScryptGuild (BTC Guild) Beta on: June 09, 2014, 08:38:59 AM
You don't seem to understand how PPLNS works...there were not 10 different blocks originally and 4 more later.  If a block is solved, it's paid to the previous 5 shifts.  So that 1 block will show up under Blocks Paid to all 5 shifts.
536  Bitcoin / Pools / Re: GHash is at 48% WTF on: June 08, 2014, 11:39:21 PM
but they make changes to allow it to spread their hash and reduced it.

This has never happened.  They have made no changes or any efforts to limit their speed.  The made a very poorly made post about their plans, which included such things as letting cloud miners pick a different pool, which is *EVEN WORSE* since that means their share of the network is unknowable.
537  Bitcoin / Pools / Re: [2000 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff on: June 08, 2014, 11:37:31 PM
I think a slow ramp up in reward for those joining in the middle of a block would deter hoppers and reward the loyal, kind of reverse of what we have now.

Wait, do people not know how this pool scoring works?

Shares contributed at the very start of the window come easily, they have a low computational cost, and therefore, a lower score.  Shares later cost more to calculate, and so have a higher score.  Each hash is scored, the sum of all the hash scores added up, the block reward divided up (minus the pool fee) between all scores, and you get the proprtion of (your score / pool score) for a given block.

The only way someone jumping in at the end of the block gets the same reward as someone that started at the beginning is if that person has VASTLY more compute power available - and in that case, if they'd been in at the start of the block, they have gotten way more than the original full-time person anyway, because they calculate more hashes per second.

Uhmm...your entire first bit is completely wrong.  The shares do not come more easily or take any more time to calculate at any point during the round.  Score based payment is purely a way to discourage people from leaving the pool, by making your previous work worthless.  The work done is no harder at any point in a round.

The slush payment method is hoppable, though not as badly as the old proportional systems.  However, the concept of pool hopping to increase profits is basically dead since there are no pools large enough with a hoppable method to make it worth the trouble.
538  Alternate cryptocurrencies / Mining (Altcoins) / Re: [AUTO SWITCH] ScryptGuild (BTC Guild) Beta on: June 08, 2014, 11:10:50 PM
Please add some more coins. If I would like to mine LTC I would use pool that has horsepower to mine them. FTC and NMC are good alternatives to LTC.

NMC is SHA256...if you want that, go mine on BTC Guild which merged mines it.  FTC isn't supported because I have no interest in implementing proof of stake coins which are not compatible with the current backend.


More coins are coming when the pool is updated this month to force auto conversions and remove the per-coin share recording.
539  Alternate cryptocurrencies / Mining (Altcoins) / Re: [AUTO SWITCH] ScryptGuild (BTC Guild) Beta on: June 08, 2014, 08:53:48 PM
We haven't solved an LTC block since 10 pm EST last night. We've spend 15 hours doing LTC work that we haven't earned any pay for.
Why do I get the feeling that you don't really understand how PPLNS mining works?

Well, he has a point.  We haven't had any LTC blocks in about 17 hours.  Not that it means much.  We had extremely good luck with LTC blocks the other day.

Of course the comparison of how many blocks per shift changing means *nothing* on a multipool.  A single LTC block is worth probably 1000 LOT or CSC blocks.  The pool has been mostly focused on DOGE and LTC for the last 24 hours, so while the # of blocks paid to each shift will be much lower, they're worth much more than if we tacked on an extra 50-100 LOT/CSC blocks to each shift.
540  Bitcoin / Pools / Re: [11000 TH] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers on: June 08, 2014, 06:09:12 PM
was this necessary to do, basically without notice?  if the issue was with bfgminer wouldn't it be the responsibility of those that run it to revert to a previous version or change from the default - rather than bounce all miners?

If there was any actual downtime expected, a 24h+ window would have been provided.  For properly working miner configurations/hardware, the restart was virtually transparent.
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