Ideally, I'd like to see a pie chart with the whole pie being "Bitcoin-derived crypto currencies", and each major alternative represented as a market cap in Bitcoins and USD.

Currently, from what I gather we have:

  • Bitcoin - 7,415,750 BTC = $34,854,025 = 99.7%
  • Namecoin - 959,150 NMC = 25,897 BTC = $121,716 = 0.3%

I don't know where to get data on other crypto currencies right now, and if they even have any significant market cap.

  • 1
    Now that I think of it, building a site that shows up to date stats on this is super easy with a bit of javascript (at least for these two). I might make one this weekend if I find a few hours. – ripper234 Oct 6 '11 at 15:14
  • And ... done! bitcoin.stackexchange.com/questions/1385/… – ripper234 Oct 7 '11 at 15:56

Introducing ... Bitcoin Pie.

Supported Coins are Bitcoin, Tenebrix, NameCoin and SolidCoin. If your favorite coin is not supported, point me towards an active exchange (with or without an API), and a block explorer, and I'll integrate it.

  • Good stuff! One of these days I really must learn regex. I get 99% of your code but the regex might as well be written in Sanskrit :P – David Perry Oct 7 '11 at 16:24
  • @David - Really? The regex is the simplest part of the code to me. There are a lot of inner closures there, I assumed that would be most complex. – ripper234 Oct 7 '11 at 19:12
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    It's not necessarily that the regex is complex for what it is, it's just that I never ever bothered to learn it at all. Not sure how I got this far in my career without learning it but perhaps it's time... I'm off to find some good resources. – David Perry Oct 7 '11 at 19:36
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    Difficulty/hashrate would be a great thing to have in there too, since it approximates network security. Great site, though! – eMansipater Oct 12 '11 at 14:25
  • @eMansipater - I'll put those up when I get a chance (code is open source, anyone is invited to send a pull request) – ripper234 Oct 12 '11 at 14:57

At the moment I don't believe there is any such site. It wouldn't be too hard to create, I might even do it myself, I just need to find a good data source for pricing.

The coin counts can be found easily here:

Given an API to pull price data from, calculating the numbers would be trivial, after which it's just a matter of how pretty a chart you'd like. I have a question here if anyone knows of such a data source at which point I'd be happy to whip up just such a chart.

  • I beat you to it (only Namecoin and Bitcoin are supported so far) – ripper234 Oct 7 '11 at 14:05
  • Eh, Namecoin is easy. Wake me up when you've got APIs for all the others ;) – David Perry Oct 7 '11 at 14:23
  • Added Tenebrix :) I'm surprised at its relatively high cap. When API fails, I'll go regex (already implemented it for Namecoin) – ripper234 Oct 7 '11 at 15:00
  • Added SolidCoin. – ripper234 Oct 7 '11 at 15:27
up vote 1 down vote accepted

http://dustcoin.com/mining is the only site I know right now that shows this information.

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