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It did work finally when mtgox was up and I used a very recent firefox browser under windows.
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hmm, I still can't get this to work I must be really stupid, when I click the red link nothing happens, tried with three different os:es and browsers.
anyway, hope we can get back to this later and that all goes well with your wife!
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hi'ya guys
I get som php division by zero message, I tried mozilla on both linux and windows and even I.E.
the proclaimed send-address for bitcoins never appears!
thought I drop a line!
EDIT: This might be due to mtgox being down, i'll check in later!!
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yes but this raises the question who is actually in charge of the bitcoin network, in order to have a new algo accepted, it had to be accepted by the majority, problem if the majority is gaining on the present system and refuses to change...
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Just read an interesting post on the topic of large orginisation trying to take out the bitcoin network.
A multi-mega-dollar industry could develop an asic similar to what is discussed in other posts here, than flood the network with hashes and either corrupt it with 51% majority or pick most of the coins making miners go bankrupt.
Another scenario: a public open asic chip is developed and everybody seems happy with ever increasing hash rates.
Now suppose there are indications of weaknesses in sha256 algo, with the current gpu path one could switch to another algo and make some kind of transition.
With a dedicated asic, the majority of the network would be very reluctant to changing into another crypt algo since their miners can not be reconfigured.
This would lock the bitcoin network into a corner where we are stuck with an obsoleting platform waiting for final disaster when the laptop-toy/iphone-app of sha256 cracking is published.
What do y'all think?
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Maybe one could make an el-cheapo pcb since we have no use for all those bga pins.
If we manage to connect powers, jtag and a few i/o lines that would suffice.
Perhaps one could make a two-layer card and just leave pins not being used?
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bloody expensive where I live, abt 0.25. But I'm gonna fiddle with some water cooling pipes to produce warm water and in the winter (nothern hemisphere) they'll be put to good use :-)
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Sorry, maybe I was unclear in my statements, the pay would be slightly above the amount of bitcoins currently made on average (using the alloscomp site for instance).
The details of these agreements I have not worked out, but I guess one could either agree on a price in bitcoins or in dollars, euros, intergalactical pounds or whatever.
The idea of renting out computing power on-the-spot I intended for people who have a short and bursty needs for calculations and are very impatient for their answers. Instead of buying a rig and then only use it 1% of the time, they could use the same amount of cash to have 100 times more computing power when they actually need it.
Also not everyone is as nutty as I and thinks a big rig with lots of fans producing noise and heat is the most beautiful thing in the galaxy or they may have partners that are of an opposite oppinion....
Another problem I just realized would be trust and proof-of-work, a thing which is most elegantly solved in the pools of the bitcoin network.
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I did an estimate of the total hardware investments made in mining. My card does 300 MHash/s. With it I can mine about 0.50 BTC a day. The average total is 50 BTC every 10 minutes. This means that there is a total mining capacity corresponding to 100*6*24 = 14400 cards of this type or abt. 22 million dollars. Double that for costs ...for cheaper pc hardware => $44 million. The speculative value of bitcoins now is 129000*50*27.5 = 177 MUSD. Electricity costs are harder to calculate but are the smaller part of the cost right now. So the bitcoins are right now valued to abt three-four times the cost invested.
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My first poll ever, but I'm really curious of your answers to this!
Comments and other answers but the ones I stated are more than welcome!
/Erik
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seems to be almost as large as the virtex-5 above.
But I wonder about internal clk frequency on the Spartan compared to Virtex?
Price is going in the right direction though :-P
We really don't need a large capsule with lots of legs for this application.
I/O speed is also not very important.
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This may sound really silly, but lately when I have felt like tipping someone off I have hesitated because of the growth. That is not so silly, but my impulse would be that I'd want to grab my credit card or paypal account and tip them that way, so I never see the bitcoins flashing away.
I also thought I'd have a spendings account and one savings account for my bitcoins.
Think I'll buy some right now, if I don't tip them away directly they will be worth more tip tomorrow :-)
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Great!
Now there is a reference implementation, so I don't have to threaten people with my crappy fpga code anymore!
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I dumped some vhdl-code on this thread half a year ago http://forum.bitcoin.org/index.php?topic=2362.0It runs with ghdl. It is synthable but you'd need to add a counter for the nonce and a comparer for the hash value to be useful. Also the host communication is not imlemented. Pipelining would also do good for performance. The code is translated into vhdl from the free verilog implementation at opencores.org Maybe this will get someone closer to a full implementation. |
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I'm not a us resident so I can't do this myself, but I think there is a demand for it, myus is obviously expanding right now.
I solved this whole stupidity with a pre-paid master card btw.
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As a non-US resident I have for a number of years enjoyed the great service of myus.com In essence it is a proxy shopping service. I can order stuff from merchants that either don't ship abroad or charges a fortune to do so because of the bureaucrazy involved. It is also possible to have them pay for an item or an auction on ebay with their credit card and then bill me for the stuff. myus.com then sends the goods anywhere in the world with DHL or similar, making all customs declarations go smoothly.
Now something is screwing around with my credit card, though I can still use it here in Sweden, it seems to bounce when they tried it last time.
I don't think it's the great, service minded people at myus.com that are incompetent. I more think of this as an international money conspiracy of the evil credit card buissneses (tm).
So in order to startup a service like this I filled in something called a usps 1583, my guess is that this is so that they don't get the blame if I send something I shouldn't via their service.
A subscription is about $130 a year and I pay something like $10 to get the paperwork done, then there is a small charge for storage if I choose to delay my shippings more than a month.
Right now I feel it would be tremendously more easy to pay this with bitcoins than trying to call up my bank or sending them an international wire-transfer (which usually ends up costing about twice as much as the actual services I pay for :-)
disclaimer: I do not work for myus.com nor do I promote them in any way other than as a private individual blablabla... etc.
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Like every other new technology, we will know it has caught on for real when women start using it. cars, fast-food, disposable diapers, cellphones, computers, internet, bitcoins...
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Inflation might exist if we get copy-cats, my guess is that there where more than one tulip-system. The fun thing is that it is not likely that a small-scale initiative will launch a worthy competitor as long as bitcoin is efficient enough. The big fish would and are probably be to busy defending their own systems to be able to launch something competetive.
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