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1  Alternate cryptocurrencies / Altcoin Discussion / Warning about Coins-E! on: January 07, 2014, 05:16:31 PM
I withdrew 100+ Stablecoins from Coins-E at a time when, unbeknownst to me, a blockchain fork was in progress. As a result, even with an updated client, Coins-E never made a transaction on the right blockchain to my address.

My warning is not so much about the screw up. Screw up happens. My warning is about them entirely ignoring my support tickets. I opened two tickets in the past weeks, and none of them received even a simple acknowledgment from Coins-E.

Is this a site you want to deal with when money is at stake? I'll never deal with them and consider my SBC loss a cheap lesson.
2  Alternate cryptocurrencies / Altcoin Discussion / Settings to get 700-750 Kh/s from 280x on: December 31, 2013, 12:44:13 PM
In a new rig, I got two 280x (Gigabyte R9 280X REV2 OC 1100MHZ 3GB 6.0GHZ GDDR5). I'm getting about 630 Kh/s each, and from what I read everywhere 700-750 Kh/s is achievable with a few setting changes.

I'm using the recommended 280x settings provided by guiminer-scrypt, so I think it's really a matter of overclocking gpu memory and cores and underclocking voltage. Has anyone tried? Could you share your OC settings?

Thank you.
3  Alternate cryptocurrencies / Altcoin Discussion / Missing Stablecoins on: December 29, 2013, 10:21:56 PM
I'm not sure what happened, and if it's Coin-E, Cryptsy's fault, or something else, but I'm missing over 100 SBC. I was hoping someone could help me figure this out. I was using a couple week old client for these transactions, but I have since upgraded to the latest.

Step 1: I deposited 111.88067414 SBC on Coin-E.

Date: 12/26/2013 14:12
To: Coin-E sNTpiCe8X3BsrKBHd84yG4dj5vBJGbC6Qo
Debit: -111.88067414 SBC
Net amount: -111.88067414 SBC
Transaction ID: 992dcdb6ec4af56d3c4abe2ec28d5d5a9e7990a3944e0b283b6eb8b8297e4546

Step 2: I withdrew 111.38067414 SBC from Coin-E (I couldn't sell there, so I withdrew them.)

Date: 12/26/2013 14:50
From: unknown
To: sTbUBe5XzsUCxvrJh9PeNDjiauqPQahK3K
Credit: 111.38067414 SBC
Net amount: +111.38067414 SBC
Transaction ID: ca72f97a88d3a3b9a0c5feac165548c74df9aafd2a0807a9a97691720a630e02

Step 3: I sent 111.38067414 SBC to Cryptsy

Date: 12/27/2013 10:56
To: Cryptsy sZZcyvkBNeVdb7qPtEXov7XH6PiXXVNy4R
Debit: -111.38067414 SBC
Net amount: -111.38067414 SBC
Transaction ID: e4456afa1a0a54ab4a9e307bc8bf6b0e7a2d6bc376d9666902d8269be86571e0

At the time, all these transactions showed in my client as confirmed. Now, with the new client, these latest two transactions are 0/unconfirmed, and have been so for days.

My Cryptsy balance is 0. My Coin-E balance is 0. My local wallet balance is 0. Where did my coins go?  Huh
4  Alternate cryptocurrencies / Altcoin Discussion / Extra flag to exclude core when CPU mining on: December 18, 2013, 06:03:40 AM
When CPU mining alternative coins, what flag do I need to pass to cgminer to use all but one core? I want to avoid using all cores because it would affect my GPU scrypt hash rate. (I'd like to use the CPU to mine a CPU-friendly coin, which is different from what I mine with the GPUs.)
5  Bitcoin / Mining / Substantially smaller payouts with Slush on: June 11, 2011, 12:27:45 AM
I'm mining at about 570/600 Mh/s. At the current difficulty, I should expect an average of about 1 BTC per day. I have been mining for well over 12 hours on the Slush pool and only earned about 0.03 BTC (confirmed) and 0.16 BTC (unconfirmed). Even assuming an optimistic 0.20 BTC for 12 hours, it's still way less than half what I should be getting in theory (and on average).

A friend of mine who has the same hardware as mine, as been running it for days and he averages 0.3 BTC with 600 Mh/s from Slush.

Is this normal and expected?
6  Bitcoin / Mining / Interesting fact: Mhash/s roughly equivalent to $ per month on: June 07, 2011, 12:27:31 PM
This is very approximate, but I thought you'd be interested in knowing that at the moment your hash rate is roughly equivalent to the amount of money you'd be making with the current difficulty and exchange rate.

For example, if you have 600Mhashes/s, your revenue would be roughly $600.

This is a useful tip when you are trying to do some quick calculations in your head.
7  Bitcoin / Mining / Help with mining rig on: June 05, 2011, 03:02:50 PM
I own a Lenovo M57 which I could use as a dedicated mining rig.

Could I just replace the 280W PSU with a Corsair Builder Series CMPSU-600CXV2 600W ATX PSU, and add an XFX Radeon HD 6970 2GB GDDR5 PCI-E video card?

Or are there problems with these components and my machine, compatibility-wise?

Thank you for your help.  Smiley
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