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241  Economy / Economics / Re: bitcoin charting tool on: November 04, 2010, 06:21:25 PM
cool!

Can you show on the your page several diagrams in one picture? With the different units on the Y axis?

All currencies such as USD, EUR and RUB are strong enough relative to each other, and such information may allow to reduce "turbulence" in the bitcoin markets visually uniting them

And... Where Rubles?! Sad

I've already though about making a special chart with all currencies.

Where can I get trade history for rubles? (timestamp, price, volume)
242  Economy / Economics / Bitcoincharts.com on: November 04, 2010, 03:32:47 PM
I've created a simple charting tool for the markets:

http://bitcoincharts.com (Javascript required)


243  Bitcoin / Bitcoin Discussion / Re: Bitcoin Watch: historical trade data on: November 04, 2010, 03:42:32 AM
More graphs at http://91.194.85.252/cgi-bin/form.pl (data might be incorrect sometimes, still under development)
244  Bitcoin / Bitcoin Discussion / Re: Bitcoin Watch: historical trade data on: November 03, 2010, 11:00:45 PM
I made a small webpage with interactive graphs for all markets provided by bitcoinwatch:
http://91.194.85.252/bitcoincharts/
245  Bitcoin / Bitcoin Discussion / Re: Bitcoin Watch: historical trade data on: October 27, 2010, 09:45:22 PM
Thanks!

Here's a small python script to split the data into seperate files for each market:

Code:
import csv 

trades = csv.reader(open('trades.csv'), delimiter=',', quotechar='"')

data = {}

for r in trades:
  if r[0] == "currency":
    continue

  if not r[0] in data:
    data[r[0]] = []

  data[r[0]].append([r[1], r[2], r[3]])

for m, d in data.iteritems():
  f = open(m + '.dat', 'w')
  for e in d:
    f.write(" ".join(e) + '\n')

  f.close()

Edit:

trades.csv plotted:

246  Economy / Marketplace / Selling SGI parts on: October 27, 2010, 03:10:17 PM
I have some old SGI parts, mostly from Octanes and Origins.


I have another 5 drive sleds with harddisk I need to wipe first, some RAM for both Octane and Origin 200, CPUs, Mainboards and PCI NICs (for Origins).
247  Bitcoin / Bitcoin Discussion / Re: Anyone willing to buy Mhash/s? / distributed hashing on: October 27, 2010, 12:31:22 PM
It looks to me like difficulty will rise soon. How many Mhash were sold in total?

~400
248  Bitcoin / Bitcoin Discussion / Re: Anyone willing to buy Mhash/s? / distributed hashing on: October 27, 2010, 09:32:42 AM
Even if difficulty rises even more I'll at least make sure everyone who invested makes a small profit form it.
249  Bitcoin / Bitcoin Discussion / Re: Anyone willing to buy Mhash/s? / distributed hashing on: October 27, 2010, 08:37:18 AM
approx. 9.92 BTC/(Mhash/s) after two weeks.
250  Bitcoin / Development & Technical Discussion / Re: How often is hash counter updated ? Does closing the client save current state ? on: October 17, 2010, 11:10:33 AM
It won't repeat work. It'll create a new block to work on and this block will be different from the last one.
251  Bitcoin / Development & Technical Discussion / Re: How often is hash counter updated ? Does closing the client save current state ? on: October 17, 2010, 11:02:22 AM
It doesn't matter where your client resumes hashing. Chances for finding a block are the same.
252  Bitcoin / Development & Technical Discussion / Re: Pooled/Remote Mining on: October 14, 2010, 01:14:26 PM
I was curious and read the source. Your metahash approach isn't using separate block as I first thought and it's actually pretty similar to my idea. Maybe you can get rid of the array and just sum all previous hashes to save memory. That might work better with GPUs with low memory (2^32 tried metahashes are ~17 Gbytes).
253  Bitcoin / Development & Technical Discussion / Re: Pooled/Remote Mining on: October 14, 2010, 12:22:29 PM
If you did that, the client would then only have to send low difficulty hashes as fast as possible.  There would be no incentive to hash the actual block trying to be solved.  In order to make sure the client is hashing what it is supposed to and know how fast the client is hashing, the metahashes must be derived from the actual block the client is attempting to solve.  There might be other ways to do this, but I think this is the easiest and most convenient.

By calculating low-difficulty hashes for a block it will eventually calculate a target difficulty hash. Why shouldn't it submit it? It'll make it win coins.
254  Bitcoin / Development & Technical Discussion / Re: Pooled/Remote Mining on: October 14, 2010, 11:26:23 AM
You could even calculate the clients true hashrate from low-difficulty results.
255  Bitcoin / Bitcoin Discussion / Re: Anyone willing to buy Mhash/s? / distributed hashing on: October 13, 2010, 07:18:43 PM
How are you progressing in generating. Are you still expecting to return more BTC than we invested after 30d?

One Mhash/s should generate about 19 to 24 BTC. Everyone who bought two days ago has generated 1.72 BTC / (Mhash/s).
256  Bitcoin / Bitcoin Discussion / Re: Anyone willing to buy Mhash/s? / distributed hashing on: October 13, 2010, 06:30:35 PM
Payment via Paypal is now possible.

1 Mhash/s for 30 days == $1.30
257  Bitcoin / Bitcoin Discussion / Re: Anyone willing to buy Mhash/s? / distributed hashing on: October 12, 2010, 08:45:23 AM
how many Mhash/s do you offer in total?

how much is already bought and how much do you have left?

I can add hardware when needed so there's no hard limit. For orders > 100 Mhash/s it might take a few days to set up the hardware so you'll have to wait more than 30 days for your coins.
258  Bitcoin / Bitcoin Discussion / Re: Anyone willing to buy Mhash/s? / distributed hashing on: October 12, 2010, 05:56:12 AM
For paying in USD: I'm in Europe so I'd prefer EUR as Paypal charges conversion fees. Any idea how to set this up?
259  Bitcoin / Project Development / Re: Letter to the CCC on: October 11, 2010, 08:16:24 PM
Just a small fragment, might be used on the wiki or website, too.

Bitcoin < http://bitcoin.org > ist ein junges, quelloffenes Peer-to-Peer Krypto-Währungssystem. Es ist unter der MIT Lizenz verfügbar. Das Netz ist ohne zentrale Institution in der Lage, sicher zu stellen, dass ein Benutzer nur die Bitcoins versenden kann die er auch tatsächlich besitzt. Transaktionen können Weltweit ohne Verzögerung stattfinden. Nach ungefähr einer Stunde sind Transaktionen bestätigt.

Erfunden wurde das System von Satoshi Nakamoto FIXME:fill_in_date und mitlerweile wird es von zahlreichen Unternehmen und Einzelpersonen aktiv verwendet. Man kann Bitcoins sogar gegen den US-Dollar, Euro oder den Rubel eintauschen -- oder sie erwerben.
260  Bitcoin / Project Development / Re: Letter to the CCC on: October 11, 2010, 07:53:19 PM
I'd vote for writing the letter in English or at least not a simple translation.
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