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I know how the process of changing BTC price ​​occur, but I curious as to what gave the initial value to BTC and whether the price of another cryptocurrency refers to the BTC?

How would I replicate this process using an API or any algorithm?

closed as too broad by Jozef, Nick ODell, cdecker, Dennis Kriechel, Mathias711 Oct 19 '14 at 17:48

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    You're asking two things in a single question. Please try to split it into two separate questions, one asking about the initial price and the other one looking for APIs. – Jozef Oct 17 '14 at 18:28
  • I (and another editor) condensed the two questions into one, and wonder if it can be reopened in its current form. – Tom Au Oct 20 '14 at 17:08
  • I am still not sure what this question is asking. It might be a duplicate to Where do bitcoins come from and what gives them their value?, yet on the other hand seems to be asking Where can I get historic data series of Bitcoin prices? as well, and something else entirely. So, there are three close reasons: Multiple questions, intelligibility, and being a duplicate. It would really help if the asker were to clarify what he actually wants, but as it is it should stay closed, actually better deleted. – Murch Oct 20 '14 at 22:17
  • If you feel it is worth the effort to expand the discussion of this question's worth, please create a post on Bitcoin Meta and link it here. – Murch Oct 20 '14 at 22:20
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How much would you pay for 1 BTC in 2009 before knowing all this? Probably some cents since u would not mind losing, that was how the first BTC price was defined.

Nowadays is pure especulation with some basis on the price of electricity cost to generate 1 BTC.

APIs u can search for on the major exchanges, such as Bitstamp,BTCchina,Huobi,OKcoin,BTCe and so on...

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฿ price comes from whichever API you use. I prefer Coindesk because it does a weighted average, but Blockchain.info is another good option, as is Bitstamp or Coindesk.

From there you can use Bittrex API or Cryptsy or Poloniex.

There's also specialist API like gem.io or blockcypher.com

  • OK, now I perhaps see the author's reference to "API", but it's still very inaccurate. API is not where the price comes from. The price comes from the market, it's where the demand and supply meet. That's the "source" of what is referred to as Bitcoin price. Now, API here is just an convenient access to one exchange's historical data, and does not have anything to do with the price forming process; thus I think it does not really fit into the topic of this question. – Jozef Oct 20 '14 at 21:59

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