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Author Topic: [150+ PH] SlushPool (slushpool.com); World's First Mining Pool  (Read 4165163 times)
DarkMatter
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November 12, 2013, 09:27:33 PM
 #13041

I need help recovering my wallet. I re-installed my Windows today and lost one of my wallets in the process because I didn't backup the private key.

However, I have private key backed up for this wallet two weeks ago. But since then I created new receiving address. Now my balance shows zero and if I create a new receiving address it is not the same as what was created before the backup.

Need help! I'm using multibit.

Stop using your computer. Now.
Give the HD to someone who can extract files from it, hoping they have not been rewritten already.

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mdopro1
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November 12, 2013, 09:28:20 PM
 #13042

I need help recovering my wallet. I re-installed my Windows today and lost one of my wallets in the process because I didn't backup the private key.

However, I have private key backed up for this wallet two weeks ago. But since then I created new receiving address. Now my balance shows zero and if I create a new receiving address it is not the same as what was created before the backup.

Need help! I'm using multibit.
I'm afraid you won't be able to recover your wallet as multibit wallet is non-deterministic (AFAIK).
However you could try scanning your HDD for deleted files using specialized software.
I can do some recovery work on the drive but would it help if I got my .wallet files back or do I still need the .key files?

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RoadTrain
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November 12, 2013, 09:41:04 PM
 #13043

I need help recovering my wallet. I re-installed my Windows today and lost one of my wallets in the process because I didn't backup the private key.

However, I have private key backed up for this wallet two weeks ago. But since then I created new receiving address. Now my balance shows zero and if I create a new receiving address it is not the same as what was created before the backup.

Need help! I'm using multibit.
I'm afraid you won't be able to recover your wallet as multibit wallet is non-deterministic (AFAIK).
However you could try scanning your HDD for deleted files using specialized software.
I can do some recovery work on the drive but would it help if I got my .wallet files back or do I still need the .key files?
Backup anything related to wallet. Then do recovery.

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mdopro1
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November 12, 2013, 10:51:33 PM
 #13044

This is bad. It's a brand new Lenovo yoga and I can't even run my recovery tools on it. It's also a ssd drive. I'm screwed. I'll get a black eye when wife finds out.

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mindofmyown
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November 12, 2013, 11:47:22 PM
 #13045

This is bad. It's a brand new Lenovo yoga and I can't even run my recovery tools on it. It's also a ssd drive. I'm screwed. I'll get a black eye when wife finds out.

The HD in the Yoga is not removable, which sucks. Did you delete all of the partitions when you did the install? If not there are apps that may help.
mdopro1
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November 13, 2013, 01:23:32 AM
 #13046

Drive is removable but it's msata drive. I'm just in the process of running partedmagic on this drive. The drive is now in a zotac miniPC. Here's to hoping - it will at least be a very long night for me.

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macsheadroom
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November 13, 2013, 02:04:44 AM
 #13047

I use prosoft's data rescue in my business.

http://www.prosofteng.com/

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mdopro1
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November 13, 2013, 02:09:53 AM
 #13048

I use prosoft's data rescue in my business.

http://www.prosofteng.com/
I have decent access to the formatted area of the drive. Do you think this thing will attempt to pull any *.key files?

EDIT: It's all gone. Because its a very small drive, it likely got overwritten already. Tried with 3 different apps and none of them came back with any kind of wallet related file.

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jmevz
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November 13, 2013, 04:50:57 AM
 #13049

20814   2013-11-13 04:46:48   2:03:04   501093451   none   none   269343   25.01428641    99 confirmations left

Did anyone else get no reward for the last round?

jmevz
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November 13, 2013, 04:51:49 AM
 #13050

20814   2013-11-13 04:46:48   2:03:04   501093451   none   none   269343   25.01428641    99 confirmations left

Did anyone else get no reward for the last round?

Scratch that, it just refreshed. That's better! Thanks Smiley

m5
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November 13, 2013, 02:43:27 PM
 #13051

This article also mentioned pool luck and according to it, Slush is not that bad Smiley
http://organofcorti.blogspot.com/2013/11/november-10th-2013-weekly-pool-and.html
Code:
2. Most big pools have bad luck this week.
In order of crappiness of luck (worst luck to best luck):

                Pool Mean shares/round/difficulty  CDF
1              Itzod           1.19                0.73
2        Giga's pool           1.12                0.75
3           GHash.IO           1.11                0.96
4              Slush           1.08                0.76
5           BTCGuild           1.05                0.82
6          Bitminter           1.04                0.65
7            Eligius           0.94                0.22
8         Bitparking           0.79                0.36
9             p2Pool           0.71                0.11
10           Polmine           0.69                0.24
11           Eclipse           0.68                0.04
This means is was probably a bad luck week for the network. However, it should be noted that
the CDF for all pools were within a 95% confidence interval and so when
averaged over the week none had unusually good or bad luck.
inevertell
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November 13, 2013, 02:55:44 PM
 #13052

I use prosoft's data rescue in my business.

http://www.prosofteng.com/
I have decent access to the formatted area of the drive. Do you think this thing will attempt to pull any *.key files?

EDIT: It's all gone. Because its a very small drive, it likely got overwritten already. Tried with 3 different apps and none of them came back with any kind of wallet related file.

I would definitely take this to an expert unless you are sure that you have done all that is humanly possible to recover those coins.
Experts have special ways of getting data back, but there are obviously limits.

Imagine they are worth $100,000.00 each and start there. (even if one day they are worth 0, the possibility will haunt you.
I had at least 50 coins when they were worth a buck or so. Totally forgot about (didn't care about) the wallet at the time.
Formatted my drive.)

I don't want to beat this into the ground but you totally need to keep a current backup on usb key, or a few of them.
I have 2 computers here that are just used for backup purposes. Each with a few drives. Not on the internet.

I put a copy of my wallet every couple of days on each of their drives, and also I have the copy on my usb key. (Daily/weekly backups are especially important when you are doing lots of transactions anytime recently)

Also, for my coins in cold storage, I have printed copies of my private keys in 2 safes in different locations.
I know some people take this process way further, especially for those with lots of coins, I've only got a few in total.


inevertell
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November 13, 2013, 03:35:52 PM
 #13053

So, does anyone know the situation with the payouts?

Is all fixed now for future payouts? I have enough confirmed balance to pass my threshold, but it has not yet paid out since this morning.

Just wondering.
bspurloc
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November 13, 2013, 04:22:11 PM
 #13054

I need help recovering my wallet. I re-installed my Windows today and lost one of my wallets in the process because I didn't backup the private key.

However, I have private key backed up for this wallet two weeks ago. But since then I created new receiving address. Now my balance shows zero and if I create a new receiving address it is not the same as what was created before the backup.

Need help! I'm using multibit.
I'm afraid you won't be able to recover your wallet as multibit wallet is non-deterministic (AFAIK).
However you could try scanning your HDD for deleted files using specialized software.

http://www.piriform.com/recuva/builds
Recuva is free and will scan the HD for lost files. however if u formatted the drive, it isnt going to find anything.
formatted means formatted not quick format which isnt formatting its just a directory table wiping
bspurloc
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November 13, 2013, 04:25:08 PM
 #13055

So, does anyone know the situation with the payouts?

Is all fixed now for future payouts? I have enough confirmed balance to pass my threshold, but it has not yet paid out since this morning.

Just wondering.

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Paul Troon
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November 13, 2013, 06:26:46 PM
 #13056

I am a recent Slush pool member and former BTC Guild member.  I prefer many things about how BTC Guild reports statistics, but the increased centralization of hashing on any pool seems detrimental to the long term value of my coins. 

I have what is probably a naive question that I think many new miners might share.

In a nut shell, when someone gets a shiny new ASIC, they know the coins it will produce are front loaded - the difficulty is going up, so they want low variance so they get the benefit from the maximum theoretical reward of their device with out the risk that bad luck/reward variance causes them to miss reward when network difficulty is low.

Has anyone quantified the relationship between the pool hashrate and network difficulty for an individual member's hash rate as it relates to the desire to get maximum reward as early as possible?

So far my daily payout seems comparable to BTC Guild.  I assume the higher a member's hash rate then the less they need to join a big pool to receive low variance rewards up front.  I think if this is true (and could be explained well) maybe people would spread their hashing around a bit more and not just flock to the largest pool.

My intuition tells me you can somehow compute the theoretical variance from a large pool vs. smaller pool for a particular hash contribution. 

An example (with bogus numbers) of what I'd like to see a report on might look something like this:

Small pool (Slush):

 - Expected daily reward with for 700 Gh/s member is 0.70 +/- 0.5  BTC/day (SD = 0.1) for pool with 5% of hashing power and network difficulty of 510,929,738.02.

Large pool (BTC Guild):

 - Expected daily reward with for 700 Gh/s member is 0.70 +/- 0.2 BTC/day (SD = 0.01) for pool with 35% of hashing power and network difficulty of 510,929,738.02.

Solo mining:

 - Expected daily reward with for 700 Gh/s member is 0.70 +/- 17 BTC/day (SD = 1.2) and network difficulty of 510,929,738.02.

My statistics fu is not up to the task, so hopefully someone has already figured out the equation 'f' that returns:

  (avg return, std deviation) = f(miner hash rate, pool hash rate, network difficulty)

Even better would be if you could solve to find the minimum pool hash rate that gives a miner with a fixed hash rate a minimum desired standard deviation on BTC return within some time frame (eg. 1 day).

For the smallest miners, the largest pool is best to even out average payouts and take advantage of current (lower) difficulty.  But for larger miners I suspect it is more nuanced and you only need a pool that is over some threshold to get the benefit of being in a pool.  I know pool fees and details are also important, but I am ignoring that for this analysis.



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bspurloc
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November 13, 2013, 07:01:50 PM
 #13057

luck is luck...
I am surprised u r matching daily payouts between slush and btcguild. r u sure?

Solo mining 700 gh/s... how long will that take to find a block? by saying .7 u r implying less than 2 days. I would doubt that and guess more like a week. but what do I know! well I know the diff is 510+ now
vesperwillow
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November 13, 2013, 07:04:24 PM
 #13058

FWIW I've had same payouts on a daily basis between a few different pools before, but without hitting blocks your payouts may get held.

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November 13, 2013, 08:33:05 PM
 #13059

Here comes the payout problem for me, too Smiley
I received the email, the transaction shows up on blockchain, but my client has been silent for a while...
Ideas anyone?

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OmegaNemesis28
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November 13, 2013, 10:52:43 PM
 #13060

I was stupid.
I was going to try out Bitminter again, which I havent done for a long time - back when they first started, but after 20~ hours of hashing at 200GH/s - I had only 0.05BTC (almost all unconfirmed). Meanwhile here at slush I usually have at least 0.2BTC in that time span. The luck wasn't too bad at all during that time, so it wasn't that.

So I asked them what would cause this. There weren't any terribly long blocks happening on their end. The luck wasn't THAT bad. But my payouts were terribad. When asked, I was greeted by snark criticism rather than helpfulness and now insults to boot. Even after my question had been answered politely by someone nice enough. But never again.

Sticking with slush it seems. I was silly for trying otherwise.

I'm not one for donations but if you must go ahead and I will keep you in mind. =)
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