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1  Economy / Services / Re: Introducing the Bitcoin100: A Kickstarter for Charities on: December 09, 2011, 04:07:05 AM
I'd like to pledge 1 BTC, and I've sent it to the address.  Because I don't always check on here often, I wanted to pre-donate for at least the first charity.

My address that the coin is coming from should be 1EXk4cffT2Pr3D1TC7ZL5Xe5aJQgip9SJn

(but since it's the first time I've ever actually sent coins, I'm a little confused since now the bitcoin client is showing a new address for me. Is that just because it generates a new address every time you send coins?  Makes it a little confusing to know what address to tell people to expect the coins from, eh?  Ah, it's probably just me with cobwebs in the brain...)
2  Bitcoin / Legal / Re: There is a way we can trade Bitcoin without getting shut down constantly - read on: October 27, 2011, 02:56:08 AM
I like this idea, but I have a question that I don't quite understand:

Would the price of the bond/coupon (and therefore the underlying implicit USD/EUR-BTC exchange rate) be regularly pegged to the MtGox exchange rate?  OOr does this only happen at the initial setup and we then have effectively a "new" independent exchange rate, depending on the currently trading prices of the bond/coupon on the public exchanges?
3  Bitcoin / Pools / Re: [1100 GH/s] Slush's Pool (mining.bitcoin.cz); LP & Ntime, NMC Merged mining on: October 23, 2011, 12:42:33 PM
My BTC take over the last 24-36 hrs on slush was also "unlucky" (see posts above) BUT I've been doing the merged mining since he switched over and I can say that over that longer period (many days) my BTC take has been about what is expected, and the NMC mining gives a 30-40% boost in total income if you convert it directly.

I think it's a no brainer and have switched all my miners to slush's pool (I was mining across several pools before now)

Well I tried it, but it seems that my takings on BTC is about half that of other pools although I do have additional NMCs.   Not sure if I am purely unlucky or not.  Will try it again and do another comparison.

Am i missing something?

Merged mining has changed the whole game ..increasing BTC mining profit by 42%.

Why would anyone NOT be mining on slush's pool right now?

 [1468195diff]     0.0685 BTC/day per 100MH * $3.16 = $0.2165

 [94036diff] add ~ 15.62x .0685 = 1.07NMC/day per 100MH * .027BTC @ 3.16 = $.0912

94036/1468195=15.62

per 100MH
per 100MH
per 100MH
 
 

4  Bitcoin / Pools / Re: [70 GH][0%][Merged Mining] SIMPLECOIN.US [10BTC+500NMC Promo][Prop/PPLNS/SMPPS] on: October 13, 2011, 12:33:44 PM
Now simplecoin appears to be down (at least for me) Anyone else having problems?  Slush is now back up, did the attackers move their attack, or is simplecoin just being updated again?  Huh
5  Bitcoin / Pools / Re: [688 GH/s 0% fee SMPPS] ArsBitcoin mining pool! Come join us! on: September 14, 2011, 09:28:36 PM
Ah, that explains it, I was looking for coins to be paid when blocks were found, but it makes a lot more sense that they are paid when they are confirmed. I guess it just worked out that a few blocks were confirmed at just about the same time new blocks were found right when I started, and I saw the payments made and jumped to the wrong conclusion. Thanks for the info.
6  Bitcoin / Pools / Re: [688 GH/s 0% fee SMPPS] ArsBitcoin mining pool! Come join us! on: September 14, 2011, 08:45:22 PM
Just joined the pool last night, coming from a proportional pool, I'm loving the pps!

But I seem to have a bug with the payments. It is reporting an Earned PPS after about 15 hrs of 0.18BTC, which seems right, but the paid PPS has been stuck on about 0.042BTC for about 9 hours, despite the pool solving several blocks in that time frame. My payout percentage has been listed around 0.04%, which also seems about right. Right below this my "next payout amount" is listed as about 0.016BTC.

Shouldn't I have received a small payment with each of the recent blocks being found, or am I just misunderstanding how the SMPPS system works?

johnb210
7  Bitcoin / Bitcoin Discussion / Re: High-resolution images of physical bitcoins on: September 12, 2011, 03:15:47 AM
That's pretty slick, and I like the pictures, but I'm curious why you don't show a picture of a broken open coin anywhere?  I know I was left wondering what they look like inside after reading the description.
8  Bitcoin / Mining / Re: Bitcoin Promo on: September 12, 2011, 02:32:45 AM
How exactly do you know who has done mining work for you, and how will you pay out?  (if it smells like a trap...)
9  Other / Beginners & Help / Re: Help me ! How to build a PC for bitcoin mine ? on: September 12, 2011, 02:18:31 AM
I say go for the 6870.  I don't know where people get their prices, but if you find a deal like http://slickdeals.net/forums/showthread.php?t=3293164 you can get a 6870 for $150 after rebate, and even sell the free games for another $25 back or so.  I'm getting 290 MH/s with my 6870, and it only draws about 140 W (according to my kill-a-watt) above my baseline system, so you could probably even do two of them on your power supply.

Based on that 290Mh/s at $150, that's 1.933 Mh/s/$, and more than 2.07 Mh/s/watt, which is just about as good as I've seen for any card combination if you just want to do some basic mining with a regular PC.

Everybody else - please let me know if you're actually getting super deals on used 5XXX cards, I just haven't been able to find them.

10  Other / Beginners & Help / Re: bitcoins. waste of money? on: September 07, 2011, 04:53:09 PM

Best $50?

I beg to differ.  Don't listen to this guy, kid.  You can still get a pretty fat sack for $50.

This thread is hilarious! Grin  How can I find more threads like this instead of the worthless bickering that happens in most trolling threads?  There needs to be some sort of thread ranking system, this would get my vote!
11  Other / Beginners & Help / Re: Alternative to dwolla on: September 07, 2011, 12:00:18 PM
Dwolla is a very good service, it may be that mtgox is just being slow cause it's so busy.

I dunno, I signed up for a Dwolla account on Saturday, and am still waiting on the Dwolla "confirmation payments" into my WellsFargo checking account so that I can then load money into Dwolla to even start.

I realize that it was a holiday weekend so I'm not being impatient, it's just funny because Dwolla keeps sending me daily emails telling me to "go check your bank account to confirm our confirmation payments!"  Huh

Thanks for the link to the WellsFargo direct deposit, I may try that instead.
12  Other / Beginners & Help / Re: I'm gong to invest $400 in to a new computer for bitcoin mining, is it worth it? on: September 07, 2011, 11:55:57 AM

I've done a bit of legwork for you by filling in a calculator with relevant values based on your question--> http://bitcoinx.com/profit/index.php?hashrate=400&cost=350&electricity=0.15&power=220&months=3.0000&decline=0.50
In that filled out calculator (see^), I've simplified and swung the numbers in your favor by quite a bit in terms of values and circumstance.
Look at the calculator I've filled in alongside while I explain why even with this handicapping of figures you'd be foolhearty to begin mining along the mindset of the approach you asked about:
I've assumed you spend that $350 on a new AMD 6970 placed in a current system- I'll reference this in the proceeding...
 
  • The second box's value of 50BTC/block is a lofty, but unachievable (realistically)
  • the 'hash rate' box I filled with a value attainable on a 6970 with a mild overclock
  • in the next box I left the.15 cents/K=kWh but it depends on what you pay where you live (I have a rate of 13.5 cents/kWh)
  • in filling in the pwr consumption box with 220W I've given you a huge break- this figure discounts the remaining non-gpu portion of your hypothetical computer. Also, 220W is a bit low considering the overclock to reach 400MH/s
  • I left the timeframe at a quarter of a year
  • $350 is ONLY the cost of a GPU NOT a new computer as you asked about


Since it wasn't directly answered above, I'll also tell you that you can find a conversion rate for BTC/$ at any of the exchanges, and a site like http://www.bitcoincharts.com will show you an overview of the latest exchange prices.

Use the calculator provided above to see how many BTC/day you could mine, and you'll see that if things work out well (prices stay the same or go up, difficulty stays the same or lower) then you could be making $1.53/day before electricity costs!   Grin

Of course if you're like me, you can "justify" buying a new computer/new graphics card (6870 for $185) on the assumption that you needed a new graphics card, and hey, if you make any money back mining with it, good for you.

Good luck.
13  Other / Beginners & Help / Re: What mining software for ati cards do you use? on: September 07, 2011, 11:46:41 AM
If I drop to 11.6 Catalyst drivers will it reduce my MHash/s? 

I have 11.8 Catalyst drivers and get good MHash/s but one core is locked full too.

Also what fan control are you guys using?  With my XFX 6870, if I leave fan control on auto, it will stay at 35% fan and let the temp get up to 84 deg C, so I manually set it at 50% to drop the temps to about 78 deg C.  What are reasonable maximum temps for 24/7 operation, and will I wear out the fans at a 50% speed 24/7?
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