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281  Other / CPU/GPU Bitcoin mining hardware / Re: What would you buy if... ? on: December 19, 2012, 02:49:19 PM


Buy shares in a ASIC mfg that self mines.  Nothing beats mining with at cost hardware.
282  Bitcoin / Pools / Re: Pay On Target: New High variance payout System Offered by Ozcoin on: December 19, 2012, 12:24:08 PM
If you cap sd so that it is never more than X, you should use instead

[(1-a)/(1-a*wd^(1-a)*X^(a-1)]*(wd*B/D)*(sd/wd)^a

And then you will again have an expected payout of wd*B/D per share.

Discussion of the variance of this will follow.

Nice!

I don't think it would be off topic if you showed us how you derived that?


How do this maths?
283  Economy / Securities / Re: ASICMINER: Entering the Future of ASIC Mining by Inventing It on: December 19, 2012, 12:05:25 PM



It's funny how people on one side or another of an argument can be so completely blind to the opposing premise.


I wince when I hear statements like, 'the only logical answer ...,' without any substantive rebuttal of specific argument.
284  Bitcoin / Mining speculation / Re: Corporation Self Mining on: December 19, 2012, 10:43:04 AM


How does the 'common good' of free market support the goals of Proof of Work in the context of hashing power economics?


This is what I'm getting at.  I believe under certain conditions free market behavior can contradict the goals of PoW.


I believe inefficient market, i.e. commanding >50% profit margin on commodity hardware, is the root of the problem.  Even if it's a temporary problem there's a temporary window of time where blocs of large, private hashing entities can establish a beach head.  Considering self preservation would any one private entity approach 50% network capacity?  Not if they are rational actors.  However, a bloc of private entities can degrade the integrity of PoW in such a way that imposes more risk than large mining pools since there is no ready recourse.  Will a bloc of such entities be considered sufficient risk when/if that time comes to seriously consider a protocol change?  

Do we trust such a bloc providing bitcoin network security?  Why?  What if such a bloc would not yield their influence and refuse to participate in changes that would negatively impact their collective interests?  Would we have replaced one master for another?


Free market?  Yes.  But I'm not a free market fundamentalist that believes that free market is compatible with every noble goal.



285  Other / Off-topic / Re: Running out of money fast! on: December 19, 2012, 09:38:51 AM


I wouldn't go in to financial ruin because of the express actions of a significant other.


Drastic measures might be called for.
286  Bitcoin / Hardware / Re: ASIC Refund Experiences with BFL & BTCFPGA on: December 17, 2012, 10:04:43 PM


*sigh*


We just need one good, big e-tailer to accept btc.  :/
287  Other / Politics & Society / Re: 22 Kids Stabbed At School In China on: December 17, 2012, 09:43:49 PM

How about this.


Name things that would not be possible by withholding guns from the public.  Rank them in order of importance.
288  Bitcoin / Hardware / Re: Current ASIC miners on: December 17, 2012, 09:23:52 PM


ASIC adoption will continue unabated for at least 6 months.

Network capacity will rise to 700 TH in 6-8 months.

At least one ASIC mfg will reduce $/GH by 30-50% in 6 months.




That is all.
289  Bitcoin / Mining speculation / Re: Interesting Observation - Jr. Members talking about ASIC on: December 17, 2012, 01:01:52 PM


One of my payments is late, so I put a few negative bfl posts up.  Maybe the refunds are draining liquidity.


290  Other / CPU/GPU Bitcoin mining hardware / Re: New cooling solution on: December 17, 2012, 04:21:14 AM
Here is another cooling concept.
Already licensed the technology to partners.
We will see this within a year
http://www.geek.com/articles/chips/sandias-floating-spinning-heatsink-promises-30x-better-cpu-cooling-20120625/

Seems cool (ha ha pun!), lots of limitations though, can only be placed horizontally, and in immobile situations (heaven help you if your 2500rpm spinning heatsink is tilted). Will be interesting to see what kind of casing they come up with as well, as again, unlike many traditional fans, touchy = baddy.

The piezo fan I like, though I don't think that it's a given that it will be quieter, as you are creating a jet stream, and depending on your application this will require some sort of jiggery-pokery, as mentioned in video. I'm also curious if there are any problems with air re-circulation in ultra-thin, cramped-quarters applications (say the inside of a phone or tablet for example), especially as these devices trend higher in power consumption.


As far as i know it can be placed how you want, not only horizontally. And it will have a proper case.

How would a floating heatsink be able to placed in a different orientation than horizontal? Seems like any other orientation would decrease its efficiency or cause it to simply break down altogether.


Not an expert, but did a little research on the sandia cooler and air bearings in general.

If it's fixed on an axis and given sufficient spin/force the air bearing can maintain separation in other orientations (of course inverted would be bad).  I'd venture to say that the gap is less predictable in any orientation other than horizontal.  Maintaining the smallest gap possible is very important for this application.
291  Other / Beginners & Help / Re: The Hobbits HFP tonite on: December 16, 2012, 06:53:48 PM
heard the reviews are not so good..oh well.....

Only if you expect it to be another lord of the rings.

It has nothing to do with the style of TLOTR except for the fact that they take place in the same universe. The hobbit is more like a children story and the movie offers a nice and long introduction just like the book... the reason why many book fans love it and some critics who haven't read the book hate it.


Maybe it's just that lotr and it's universe is crap?
292  Other / Politics & Society / Re: Myrkul Sells AnCap... on: December 14, 2012, 11:12:43 PM

In a sentence what ppl are fearful of in this model is

Uneven administration of justice.  Unpredictable and arbitrary outcomes.

But to the extent that our own 'democratic' representative governments deliver unpredictable and arbitrary outcomes at the cost of taxpayers other models seem appealing.




293  Bitcoin / Hardware / Re: Block Erupter: Dedicated Mining ASIC Project (Open for Discussion) on: December 13, 2012, 11:06:23 PM
All code with ASIC should be using USB direct not serial-USB
And having the serial-USB can cause problems on windows (and usually means a manual driver fix)

I've been screwing around with this for the last few weeks on an MMQ-FPGA converting it from serial-USB to USB
only to find all the windows problems were driver related - not my code.
Lucky I've had access in IRC to the guy who does libusb, to help me sort it out Smiley
Heh. There is exactly one prior FPGA mining setup I know of that speaks native USB - my toy 25 MH/s miner which isn't actually running at the moment. (Implements USB 1.1 on the FPGA itself using a cheap USB transceiver chip. Never caught on with anyone else for various reasons.)
OT but yeah this is all the crap that Luke-Jr keeps going on about claiming cgminer is a fork of his miner - coz he wrote the first FPGA Serial-USB driver in cgminer ... that has been recoded in almost every possible place that matters since then ...
... and he started the whole problem I'm removing ... Tongue

Code done already for the ModMinerQuad - as my first step in the lead up to ASIC - so I could do something while waiting - should be in cgminer RSN Smiley

Interesting however, that from a hardware point of view, USB itself may end up being the bottleneck in processing in the not too distant future.

So ... who's planning a better hardware interface Smiley

If we're just going to transfer data & not draw any power,how about SATA.It's very fast & most mobo's have several extra & a card can installed to add more  Cool

Are you retarded, or just trolling?

I guess I'm retarded...........just a thought  Roll Eyes

Why wouldn't it work  Huh


You are not retarded.  D3 is being a little harsh. 

SATA phy would work, but a serial protocol is needed that does not incur contention present with a large number of bus nodes.  SATA data link is not appropriate since it's a ptp link.

A cascade/daisy chain linkage of sata phy ala the mini rig sc is a good example.  Still need a protocol.

294  Bitcoin / Hardware / [Archive] BFL trolling museum on: December 13, 2012, 09:33:32 PM


Jebus on a popsicle stick!   Inaba, the FUD hierophant extraordinaire, always blesses us with these lovely comments.

https://forums.butterflylabs.com/bfl-forum-miscellaneous/519-10-dec-2012-bfl-asic-update-18.html#post8108
Quote
Looks like the Avalon delays are just getting started. (https://bitcointalk.org/index.php?to...668#msg1397668) ... I'm not surprised of course. I think we're going to see a lot more delays once they actually get the chips and realize the magnitude of their error(s). Maybe they can find away around it, but I'm having trouble envisioning how they can easily and quickly fix the problem they are going to be facing, which forced us to delay as well.


First of all, the FUD is imminent with 'Avalon delays are just getting started.'  This is really starting to get predictable.


And, by Inaba's own admission above in bold, BFL screwed the pooch making 'error(s)', which required 'clock buffers' as the latest propaganda would have us believe.  The official line from BFL is that 'clock buffers' are an enhancement.  But as we can see Inaba is equating what he foresees as show stopping 'error(s)' on the Avalon front as the exact same problem BFL had and is the cause of the current BFL delay.


I'm tired of the propaganda.  Credibility gets shredded when CEO's show up to spin last minute remediation as enhancements all the while it makes little sense and then the COO tripping up and making a statement like this.

Inaba FUD'ed himself up.





295  Economy / Goods / Re: [WTS] Dell Powerconnect 5548 Gigabit 48-Port switch on: December 13, 2012, 05:06:48 PM

Make sure it has no broken LED's.

Wouldn't want someone to freak out over an issue that doesn't affect functionality.


 Roll Eyes

296  Bitcoin / Hardware / Re: Goliath on: December 13, 2012, 02:51:16 PM
Scenario 1

Enterpoint gets a conventional loan from a bank.  Mines bitcoin.  Private, centralized.  


Scenario 2

Enterpoint offers equity stake mining bond to community.  Dividends paid.  Capital risk hedged on the back of community if bitcoin tanks.  
Investors have little idea if the product can scale performance wise.  A privately controlled product developed on what effectively is a loan from a community of potential competitors.



Either way it's pretty shite.

It will happen anyways. He might as well give the community a chance to profit from it.


@ Yohan and Cunicula


I am going to refrain from giving my opinion on projects like this in the future.  I do agree this will happen regardless of how I personally feel, or many people feel, about it.


We'll all see what happens.
297  Bitcoin / Hardware / Re: Goliath on: December 13, 2012, 02:28:50 PM
Scenario 1

Enterpoint gets a conventional loan from a bank.  Mines bitcoin.  Private, centralized.  


Scenario 2

Enterpoint offers equity stake mining bond to community.  Dividends paid.  Capital risk hedged on the back of community if bitcoin tanks.  
Investors have little idea if the product can scale performance wise.  A privately controlled product developed on what effectively is a loan from a community of potential competitors.



Either way it's pretty shite.
298  Other / Meta / Re: Only the loud survive on: December 13, 2012, 05:27:44 AM

Let us just hope that BitcoinTalk.org figures out that freedom of association is also a right, and as a private website BitcoinTalk.org has the freedom to not associate with users that an overwhelming majority of site users downvote or ignore.



While I don't think that mods will start kicking off pariahs I do strongly believe that a reputation indicator, something more meaningful than ignore feature, should be implemented here.


It's been discussed before with the main opposing argument that rep counters can be exploited.  My rebuttal is to implement rep impact / vote that is weighted according to the voter's own rep or something similar.
And a limited number of rep votes in a period.  Not perfect, but it's needed.  Post count certainly doesn't equal quality.
299  Bitcoin / Bitcoin Discussion / Re: I have access to Bitcoin and X children? on: December 13, 2012, 05:16:41 AM



Yes, I have access to children. 


couldn't resist.
300  Bitcoin / Mining speculation / Re: Corporation Self Mining on: December 12, 2012, 11:43:44 PM
...
If Bitcoin grows large enough and mainstream enough it is inevitable that there will be first privately held and then publicly traded professional mining companies. 
...

I agree that it is probably inevitable.


However, do you feel that this might be a 'bad money driving out good,' situation?  What I mean to say is what would happen if a bloc of large, private mining operations appear.  Each operation taking advantage of a) at cost hardware and b) economies of scale.

Keeping in mind such large entities would be so invested that their debt would influence them to keep mining at razor thin margins would a bloc of these entities force less efficient miners (i.e. pretty much all independent miners) out?


What I feel differentiates this type of situation from the idea of 'professional, efficient operations,' is that these self mining operations by definition are producing their own hardware.  The playing field is no where near balanced.

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