Sites which allow for the conversion of Bitcoins to various world currencies as well as alternate crypto-currencies.

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60 views

I made this flowchart on bitcoin exchanges. What do you think?

To briefly explain: Pretend a bitcoin user spends a bitcoin to purchase a product at Overstock.com. As BTCs are volatile and not ubiquitous like USD, Overstock.com doesn't want to hold onto them. ...
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1answer
28 views

Where can one trade AuroraCoins for Bitcoin?

I have some AuroraCoins (AUR), minin' them on ghash.io. I want to turn them into BTC and then use BTC (no USD!). Some exchanging site? Trust me, I've been Googling, Binging, DuckDuckGoing and others ...
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2answers
64 views

What's the point of trading BTC if you're limited in the things you can buy

If you're trying to make a profit by trading BTC... fine, I get it. What other reasons are there to trade BTC?
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1answer
51 views

Why is there a need for different exchanges?

In laymen's terms, why is there a need for different bitcoin exchanges? Is it currently the wild west and eventually these exchanges will consolidate. Or can exchanges actually provide different value ...
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1answer
42 views

Bitcoin trading: security

I have seen different trading websites on Bitcoin and a question came to my mind: Security Why do they require so much identity verification? If I remember correctly MtGox (despite what later ...
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1answer
41 views

Does Cryptsy reuses market IDs?

Cryptsy has a lot of markets. Each market has its own ID. Now markets have an ID in the range [1,220]. Sometimes old markets are deleted. Are the IDs of that markets reused or not? I have the same ...
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1answer
124 views

Calculation of arbitrage profit

I have made calculations based on 3 exchange buy and sell orders. (Cryptsy, C-cex and Bter) and have taken DOGE/BTC market into account. Both cryptsy and C-cex have the same calculations to get the ...
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1answer
99 views

Can't understand arbitrage profit calculation

Found the formula in the following link. I can't understand with my knowledge. Can anybody explain me with an example? profit = ExchangeA_sell * (1 - ExchangeA_fee) - ExchangeB_buy * (1 + ...
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0answers
35 views

Which exchange is better for average users? [closed]

How do bitstamp, btc-e, bitfinex, lakebtc, btcchina, compare on trading fee, deposit way, and withdrawal speed? Which is the most comfortable for us?
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1answer
84 views

Are There Abbreviations/Acronyms/Codes for Cryptocurrency Exchanges?

I wonder if there are any abbreviations/acronyms/codes for exchanges like Cryptsy, Kraken, and Ccex. Similar to abbreviations as seen for coins in Bitcoin = BTC and Litecoin = LTC.
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11 views

How does MetaLair work?

MetalAir claims to launch a "decentralised cryptocurrency exchange for Bitcoin, Litecoin". At a conceptual/technical level, how would the decentralised exchange work?
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1answer
78 views

BitLaunder's mixer vs “major exchanges” mixer

BitLaunder (seemingly created by syadasti) writes: Secure Launder renders your bitcoins completely untraceable, even to the most persistent forensic investigator. You deposit bitcoins into ...
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2answers
48 views

Is there an on the fly service to exchange physical currency for BTC for payment processing? [closed]

I want, as a merchant, to receive money from my customers in the form of bitcoins, to avoid the 2~4% fees. But many of my customers don't have BitCoins. I was wondering if there is a service that ...
3
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1answer
46 views

What does it mean to say that Huobi “self-match” trades?

A reddit post claims that Huobi is faking trade volume by "self-matching" trades. What does it mean to say that Huobi "self-match" trades?
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1answer
290 views

How can hackers cash out stolen bitcoin?

I've read about a lot of Bitcoin Heists and Thefts: from hackers that stole bitcoin from Exchange (Due to their poor security measures) or from Bitcoin users, to scam websites and so forth. Some of ...
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2answers
65 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) ...
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0answers
62 views

API for converting curriency such as Euro/USD to BTC

Basically what I'm looking for is a reliable API that allows for the conversion of an imputed currency amount such as USD/Euro amount and a conversion would be made that would convert the amount to ...
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1answer
81 views

How accept trade works on creating order [duplicate]

I want to build a rails application to create buy or sell offer for coins. If buy offer is accepted by seller, How the coins exchanged between the buyer and seller. How can it be implemented? What is ...
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1answer
65 views

How are BTC-e orders filled?

When there is some price overlap, i.e an ask and a higher priced bid, who will get the difference? In other words, will the seller get an "extra", or the buyer a "discount"? I'm interested in BTC-e ...
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1answer
226 views

What exchanges trade with Unicoin right now? [closed]

I absolutely LOVED the new Stack-Exchange-specific cryptocoin, "Unicoin", mineable by humans and unicorn-themed. As well as the diverse options to pay for it (gold, silver, BTC, LTC, DOGE, reputation ...
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5answers
287 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 ...
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2answers
132 views

How does cryptsy.com allocate trades for many orders with same price

How does cryptsy.com allocate trades for many orders with same price ? Orders can come from one or many accounts, my question applies to both situations, but it's obviously more interesting how they ...
3
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1answer
122 views

Would it be any cheaper to transfer US dollars to Canadian using Bitcoin?

I'm a Canadian working for an American company. I get paid in American which gets deposited into an American account. To get the money to Canada, I write myself cheques from my American account and ...
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0answers
89 views

Decentralised escrow / distributed private key generation

Issue Hi As many others i am curious in addressing distributed escrow problem (not just for bitcoin). As it stands now there are no decentralised escrows. All escrow services are based on trust in ...
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1answer
119 views

What software do exchanges use to manage wallets?

Do they write wrappers around bitcoind or is there a better solution out there? Some exchanges handle dozens of digital currencies, does this mean they are running bitcoind, litecoind, dogecoind, etc ...
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3answers
779 views

Is instant profitable arbitrage impossible?

Case #1: Trade coins after an arbitrage opportunity appears. Buy Coin B with Coin A at a low price. Move Coin B to the buyer's market. Sell Coin B for Coin A at a higher price. However, ...
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1answer
86 views

How does Multi-Signature Pay 2 Script Hash (P2SH) enable stronger security?

Coinfloor says it will pay out withdrawals using Multi-Signature Pay 2 Script Hash. What is Multi-Signature Pay 2 Script Hash? I read What is "Script Hash" address exactly and how does it ...
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1answer
78 views

Bitcoin Exchange Api [duplicate]

I need an bitcoin exchange api implemented in my website. Basically there will be one way transactions money->bitcoin and it needs to support major credit cards (visa,mastercard) as well as paypal ...
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2answers
154 views

BTC denominated vs fiat denominated stock exchange?

What could be done more easily (or just be doable) in a BTC-denominated stock exchange that is difficult (or plain impossible) in a fiat-denominated one? i.e. what features of a BTC denominated ...
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3answers
263 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 ...
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3answers
229 views

I would like to exchange my mining earning to real cash in my bank account, then should I mine Bitcoin or Litecoin?

As a total Noob I have a CPU and GPU intensive machine and want to mine some coin to earn. In addition, I try to get the best trade of between the earning from the mining and exchanging it to a real ...
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4answers
134 views

Why are there different prices for bitcoins between exchanges? [duplicate]

Ive been looking around at the prices for bitcoins at various different exchanges and they all seem to have slightly (or wildly) different prices, why? Thanks.
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2answers
153 views

What other currencies have same malleability vulnerability as Bitcoin? [closed]

Malleability of Bitcoin protocol has contributed to major losses and represents uncomfortable risk to Bitcoin investors in addition to possibility of 51% attack that depends on promise of biggest ...
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1answer
29 views

Trickle Exchange System?

This idea came to me while I was trying to trade Frozencoins. For a miner like me that has to wait ages to get coins, its nearly impossible to trade small amounts of Frozencoins. People usually ask ...
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3answers
69 views

Confusion over 'change' when transferring funds from bitstamp to paper wallet

I was about to transfer my funds from bitstamp -> paper wallet for the first time, but wanted to try it out first with $0.01 etc. I'm worried that since you have to specify where 'change' goes with ...
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3answers
118 views

Why do exchanges have a buy/sell column in their trade history?

Why is there a type column in the trade history on exchanges like btc-e.com and vircurex.com? If all the trades are between two users on the exchange why is a buy/sell type needed? And if there is one ...
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1answer
139 views

How would you store a bitcoin wallet for a small bitcoin exchange?

How would you store a bitcoin wallet with the security of the wallet being a priority for a small bitcoin exchange? Offline wallets are the safest though how would a client be able to withdraw their ...
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1answer
148 views

Why API of bitcoin exchanges use HMAC over HTTPS/SSL?

Pretty all exchanges use private and public key. We sign API request with our private key using HMAC algorithm. What's the point of doing so when there is already HTTPS connection? HTTPS provides both ...
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0answers
48 views

Exchanges with advanced order types?

I just signed up with my first virtual currency exchange. The graphs etc. were impressive, much like a real exchange, but I was disappointed to find only the buy / sell orders. Do any virtual ...
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1answer
125 views

When transferring money between a bank and bitcoin exchanges, might the bank suspend my account?

I'm based in the UK and am worried that my UK bank might have a problem with me transferring money to or from a bitcoin exchange, for example, Mt Gox. I know that Paypal will suspend an account if ...
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4answers
822 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?
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2answers
252 views

Is it any open source Bitcoin exchange available [duplicate]

Is it any open source Bitcoin exchange code is available
4
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1answer
217 views

Who proposed the XBT ticker for Bitcoin and why is it used over the more logical XBC ticker?

Some standard requires tickers for currencies to start with an X. So, the usual abbreviation of Bitcoin, BTC, cannot be used in contexts where this standard is applied. Usually, the unofficial ...
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2answers
141 views

Where can I find an overview of Bitcoin exchange APIs?

Where can I find information on a large number of "exchange" or "trading platform" APIs showing which currencies (digital and fiat) they convert between?
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2answers
683 views

Does btc-e require verification for coin to USD conversion

I know that btc-e requires verification to withdrawal USD, but do they require verification to convert to USD and let sit until I want to trade it for other coins? Again.. NO usd withrawal. only ...
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2answers
94 views

Order books, matching exact price or closest price? [duplicate]

After reading this How do buy and sell orders work?. This says that closest price, so if someone is selling at 999, and someone offers a bid of 1000, that the 999 will get sold since its the two ...
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1answer
113 views

Unclear Trade Volumes on Bitcoin Charts

Many 'stats/charts' sites are reporting trade volumes, without ever specifying which trade volume they are referring to: Number of Sent Bitcoins / 24h (Transaction Volume) Number of Bitcoins sent to ...
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0answers
53 views

calculate fees for shorting Bitcoin on exchanges

I have a calculator for calculating trade fees for Bitcoin on exchanges (http://tradeli.st) However I get asked a lot to add "shorting". Basically, for a "long" position. I do this: BUY 1 BTC @ ...
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2answers
527 views

Can I buy a Bitcoin from one exchange and sell it on another?

Is it possible to buy a Bitcoin at one exchange, say BTC-e, and then sell it on another, like LocalBitcoins? If it is possible, how would this be done? More specifically, how could you transfer a ...
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2answers
304 views

Transferring Bitcoins from Wallet to Wallet

Say I buy a Bitcoin from a specific market, like BTC-e, and it goes into my wallet. Is it possible for me to transfer that Bitcoin from its current wallet (BTC-e) into a wallet that I have on another ...