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Questions tagged [exchanges]

This tag should be used for questions regarding exchanges. Exchanges are sites which allow for the conversion of Bitcoins to various world currencies as well as alternate cryptocurrencies.

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18
votes
6answers
13k views

How is the exchange rate for Bitcoin established?

I noticed that there are exchange rates for Bitcoin to other given currencies. How are these rates established?
87
votes
9answers
174k views

Why don't people buy at one exchange and sell at another?

Bitcoinity.org shows that for the past 30 days, bitstamp's price is high at 101.00, low at 77.00, and current price is 98.04. On contrast, mtgox's price for the past 30 days is high at 115.00, low at ...
95
votes
17answers
219k views

How can I buy Bitcoin via a Credit Card or Paypal?

I want to buy some bitcoins. Ideally, I would like to buy them on the MtGox exchange (because the consensus seems to be that this is the most reputable exchange), however I have found the system for ...
10
votes
1answer
20k views

How do buy and sell orders work?

How does buying and selling bitcoins work once the order is placed? I just know that the order-matching engine is used for this purpose, but more information regarding this will be helpful.
33
votes
7answers
58k views

Why do the price of bitcoins vary wildly between exchanges?

▼ mtgoxUSD 95.0000 108.452 -12.404% 2428892 ▼ btc24EUR 67.5047 89.036 -24.183% 348160 ▼ btceUSD 82.9900 106.794 -22.289% 277286 ▼ bitstampUSD 75.9900 109.320 ...
20
votes
8answers
36k views

What would it take to create my own Bitcoin exchange?

I'm looking into creating a Bitcoin / crypto currency trading platform (say, like Tradeking), as I've noticed there are a few sites out there already, except they all have pretty hefty fees. So, to ...
11
votes
4answers
30k views

Is there an efficient way to exploit arbitrages between the different exchanges?

The Bitcoin ratio vs other currencies is not the same among exchanges. Is there currently a way to exploit this arbitrage and profit?
16
votes
3answers
29k views

What is needed to make a bitcoin exchange?

What do I need to setup a bitcoin exchange website like: BTC China Mt Gox Bitstamp I have my own web development team and we can code pretty much anything so that is not a problem. I'm at a loss ...
23
votes
5answers
15k views

Is there an open source Bitcoin exchange?

I just found this project, which is described a.t.m as a learning project. Is there a more serious, open source Bitcoin exchange? I'm aware exchanging BTC for fiat money can be quite complex, and ...
4
votes
1answer
311 views

Will I pay BID price or lowest necessary amount?

I was wondering about how ASKs and BIDs are matched: Say I set up two separate trading accounts on mtgox. On my first account, I offer to sell 1 BTC for 1000 USD ...Nobody will buy it (at current ...
18
votes
2answers
47k views

How do bitcoin exchanges work?

I'm relatively new to the world of Bitcoins and understand the basic principles of wallets and addresses etc, but was wondering how exchanges (like Coinbase) work exactly. Is the entire exchange ...
28
votes
11answers
8k views

Can bitcoins be “sold short”? Or are there “put” options?

Borrowing an asset and "selling it short" facilitates finding the appropriate price for the asset, allowing people to bet that the asset is overpriced (e.g. in a "bubble"). Can bitcoins be sold short?...
21
votes
4answers
8k views

How can one find how much “room for arbitrage” is there in the Bitcoin market?

I don't know what's the mathematical/economical definition, but I would define "room for arbitrage" as the amount of money that can be extracted from the market by doing arbitrage (between the ...
26
votes
11answers
361k views

How can I change BTC into normal cash?

Can you eventually hold the bitcoins in your hand, like real cash dollars or euros or something? If so, how? I've gone through all the service previews and introduction videos (actually, a video), ...
24
votes
6answers
183k views

Where can I buy Litecoin?

I know Litecoin is sold on Coinbase, but I'm wondering if anyone has compiled a list or knows of other exchanges selling the currency?
7
votes
3answers
5k views

How can I get a new Bitcoin exchange up and running?

I would like to have a Profit Points <-> Bitcoins exchange. The exchange could either be developed and run by contributors of Open-org.com or be created by an existing Bitcoin exchange. I have, ...
9
votes
5answers
8k views

Is anyone taking advantage of different prices across exchanges?

Say I have funds on two exchanges. Whenever the price of bitcoin is higher on the first one, I sell on that one and buy on the other one. Is anyone doing this or has a program that does this? Is it ...
12
votes
8answers
66k views

What are the options available to convert Bitcoin to Paypal USD?

I have, recently, started earning some Bitcoins from CoinURL.com. I want to know all the options available for converting these earned Bitcoins to Paypal USD.
20
votes
5answers
2k views

Can I use bitcoin as a means of bypassing Argentine Dollar restrictions?

I am planning on doing some small-time buying/selling with a friend who is in the States. I am in Argentina and I do not have a way of reimbursing him in Dollars for products that he buys, sends to me,...
6
votes
4answers
2k views

How do bitcoin exchanges set prices?

What do exchanges base their Bitcoin and alt currency prices on? What makes them say that they will sell bitcoins for certain amount? Do they increase and decrease their price based on what other ...
10
votes
2answers
8k views

What's a good resource explaining the best ways to buy Bitcoin (noob friendly)?

We have a slew of questions about specific regions ... but I couldn't find a general, concise, good resource on how to buy Bitcoins. This article offers too many choices and isn't noob friendly. I ...
2
votes
1answer
204 views

Is there a risk of double-spending when making a face-to-face transaction?

When exchanging funds or services face-to-face, is there a risk of a double-spending attack? If there is, how could it be technically done?
25
votes
6answers
61k views

What is the strategy behind a sell wall?

I understand the idea behind 'bid walls', but on Kraken, prices are being kept low through the use of 'sell walls'. The volume on this exchange is too low to have a chance of getting through these ...
29
votes
1answer
33k views

What is a bid wall?

On the bitcointalk forums I hear a lot of talk about "bid walls". I have never heard of these in other types of financial markets. It seems that people use them as a way to support the price of a ...
16
votes
4answers
1k views

What are the legal processes that someone would have to go through in order to get a Bitcoin exchange operational?

One of the main perceived difficulties in getting started with Bitcoin is obtaining some in the first place. Naturally, for an exchange to be accepted into the mainstream it needs to be a recognised ...
16
votes
6answers
19k views

Is it possible to buy or sell Bitcoin options?

Like put and call options for a stock, but for the future price of Bitcoin?
17
votes
5answers
8k views

Is there a Bitcoin exchange comparison site (fees, details) like distrowatch.com or http://cmsmatrix.org/?

Is there anybody that knows of a site that does a fairly thorough comparison of all currently active exchanges, and their fees especially. Like there is distrowatch.com and cmsmatrix.org. The ...
15
votes
5answers
67k views

How can I convert bitcoins to Indian rupees and vice-versa?

How can I convert bitcoins into Indian rupees (INR) and get them in paper rupee notes?
8
votes
4answers
752 views

How can a bitcoin exchange prove its solvency while maintaining privacy?

What methods can an exchange website use to prove that it actually has all its users' bitcoins? These are the requirements: User privacy is a must. No one should be able to tell how many bitcoins an ...
9
votes
3answers
40k views

Where do the dollars go?

This question seems to me to be such an obvious question, that it must be answered somewhere. As I understand it is necessary to buy bitcoins using dollars or some other currency. Where do those ...
14
votes
3answers
4k views

Is there a list of available APIs for Bitcoin exchanges?

So far I have seen some Perl modules; Finance:MtGox and Webservice:MtGox for interacting with Mt.Gox, a Ruby gem for Mt.Gox and a Python based command line client for again, Mt.Gox. I'm wondering if ...
11
votes
9answers
3k views

Is there a forum-like exchange for trading Bitcoins person-to-person?

I was to trade Bitcoins for PayPal quite frequently and I know that PayPal doesn't allow Bitcoin exchanges to accept PayPal payments. But there should exist a person-to-person trading site that works ...
5
votes
2answers
3k views

Does BTC-E have an API for alternate currencies?

BTC-E appears to have an API available at https://btc-e.com/api/1/ticker but this only lists the BTC/USD pair data. They also offer pairs of BTC against alternate currencies like Ixcoin and Tenebrix. ...
5
votes
3answers
2k views

What happens to cash used to buy bitcoins?

Are there any requirements to Bitcoin exchanges [USD/EUR/etc], as to for what the [USD/EUR/etc] may be used? Or is the [USD/EUR/etc] received property of issuer of bitcoins? Unfortunately, this is ...
5
votes
5answers
2k views

What benefit does bitcoin provide over using a credit card?

I am brand new to Bitcoin. I am retired investor. What benefit would using Bitcoin have over, say, using a credit card, etc.? It appears that Bitcoin is primarily designed for businesses, buying, ...
4
votes
2answers
6k views

How long does it take for an exchange to send me bitcoins?

I'm not sure I understand all of the bitcoin storage options I know there are bitcoin addresses and bitcoin wallets what is the relationship of an address to a wallet? is a wallet mandatory and a ...
4
votes
4answers
311 views

How can one gauge the reliability, customer service, and transparency of bitcoin exchanges?

There are several exchanges for Bitcoin with a few highly respected ones like Mt.Gox, Bitstamp, bter, bit-e etc. I understand the reason why they require verification of users by supplying their bank ...
3
votes
3answers
477 views

Bitcoin Exchanges and Anonymity

I'm new to Bitcoin and I have a few questions about Bitcoin Exchange and how the transactions work. To be more specific, the question is related about the level of anonymity of these transactions. 1) ...
2
votes
4answers
199 views

How do I know which exchanges are serious actors?

How do I find bitcoin exchanges? How do I know if the exchanges can be trusted?
24
votes
4answers
23k views

Are there any open-source trading bots out there?

Has anyone published an open-source trading bot that runs on a Bitcoin exchange?
15
votes
6answers
4k views

How would a decentralised exchange work?

The idea of decentralised Bitcoin-fiat exchanges has been floating around. (For example Mastercoin, Ethereum and Bitshares claim to be able to do it.) How would such a decentralised exchange work?
10
votes
6answers
3k views

What is the definition of a P2P exchange?

Bitcointalk member BTCLuke suggested the following six criterion for a P2P Exchange: A P2P Distributed Exchange MUST: Be without any central points of failure, since a government or two WILL be ...
10
votes
6answers
369 views

What would a new exchange need to be better than the rest?

If a new crypto v crypto exchange were to be built and launched. What would tempt you to use it rather than what you currently use? Or what improvements would you like to see from the way things work ...
10
votes
7answers
14k views

Which exchanges offer stop-loss functionality?

In case of a sudden price drop, I want to sell my coins automatically. MtGox doesn't have an option for this, which exchanges do?
16
votes
5answers
2k views

Why have prices fallen so drastically around October 2011?

Any idea why bitcoin prices have fallen so in September and October of 2011? It seems like back in August, one bitcoin cost about US$17, whereas in late October, it's just somewhat over US$2.
11
votes
6answers
686 views

Could the price drop between July and September 2011 have been caused by a bot?

In July 2011, 1 BTC was trading at above $10 USD. By September, the price of 1 BTC had fallen over 50%, and at the time of writing (October 2011) 1 BTC is trading around $2.50 - $3.00 USD. In a forum ...
9
votes
4answers
18k views

Is there an opensource crypto-currency exchanges engine?

I'm looking for an opensource crypto-currency exchange engine. My preference would be for something easy to use like joomla or drupal. My exchange setup needs support for alt-coins and bitcoin. I ...
7
votes
1answer
593 views

When BTC is traded at a Bitstamp, Mt Gox (or similar) what is the algorithm for matching Buys to Sells? How do partial fills occur?

I'm trying to understand how a partial fill would / should happen at an exchange and how that would occur For example, if the BTC rate was $10/BTC and Someone wanted to buy 100 BTC at $10 The ...
5
votes
1answer
2k views

How Does trading on the Exchanges Work?

Pardon my Ignorance but can somebody explain the basics Of how trading (Bid Buy/Bid Sell) works of the common exchanges www.mtgox.com www.btc-e.com Aslo some of the common ways people or ...
3
votes
2answers
706 views

How will a bitcoin ETF be any different from a bitcoin exchange?

The W.Twins bitcoin ETF/trust stock can be converted to real bitcoins. This means that we can buy $100 worth of stock and convert it to maybe 0.5 BTC depending on the current rate. And we can buy 0.5 ...