Tagged Questions

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

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0
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2answers
32 views

Arbitrage in Bitcoin exchanges

How efficient is the bitcoin market? I am confused after comparing buy prices in exchanges operating in different currencies. For instance, I see that 1 BTC amounts to 347 USD at the moment at one ...
2
votes
1answer
28 views

Is there a chart of all combined orderbooks?

I would like to view a chart where all bid/asks are combined from the various exchanges, instead of keeping multiple tabs open for each exchange. Is there a website that allows this kind of ...
1
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0answers
37 views

Reliable method to convert national currency to bitcoin [duplicate]

I'm relatively new to Bitcoin and cryptocurrency so please excuse my newbie question. I'm looking for a reliable method to convert national currency (i.e. "normal" money) into Bitcoin. A quick ...
1
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0answers
121 views

Automatic transfer of funds between exchanges

I need to circulate money between exchanges automatically. I want to transfer cryptocurrency (BTC, LTC) between exchanges. I find that these exchanges have API calls for withdrawal options: Cryptsy, ...
1
vote
1answer
69 views

Trading bitcoin with paypal?

Is it possible to trade bitcoin with paypal and stay anonymous? How the big trading sites are trading bitcoins and recieve payments with paypal and keep the users anonymous (because there isn't an ...
1
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0answers
35 views

How do you buy bitcoin using Perfect Money? [closed]

Is there anyone who is selling or buying bitcoin through perfect money?(A Russian money payment system) Please help me out and enlighten me on this.
0
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0answers
17 views

Library for trading on major exchanges

Is there a library which exposes order-book and trading functionality of major exchanges like BTC-e, Bitfinex, Cryptsy etc. ? I know these site have their own API but I wanted to re-use the code, if ...
1
vote
1answer
96 views

Is there any regulations on buying and selling Bitcoin on eBay?

I see a lot of people selling Bitcoin on eBay. Since the government began regulating exchanges, are there any rules you have to follow now to sell Bitcoins on a site like eBay? Additionally, are there ...
0
votes
1answer
69 views

How do cryptocurrency exchanges like Mintpal manage so many?

As there are 100s of crypto coins each with their own QT-client, how do exchanges manage the transactions? Do they use the core client of every altcoin in the servers or will they be programming code ...
1
vote
1answer
32 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 ...
4
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2answers
81 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?
-1
votes
1answer
55 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 ...
0
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1answer
64 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 ...
1
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1answer
56 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 ...
3
votes
1answer
337 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 ...
0
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1answer
160 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 + ...
1
vote
0answers
39 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?
3
votes
1answer
103 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.
4
votes
1answer
170 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 ...
3
votes
2answers
52 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
votes
1answer
51 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?
4
votes
1answer
705 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 ...
3
votes
3answers
92 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) ...
0
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0answers
95 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 ...
0
votes
1answer
87 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 ...
0
votes
1answer
86 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 ...
1
vote
1answer
250 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 ...
9
votes
5answers
297 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 ...
1
vote
2answers
160 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 ...
4
votes
1answer
137 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 ...
1
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0answers
105 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 ...
2
votes
1answer
134 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 ...
1
vote
3answers
1k 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, ...
1
vote
1answer
134 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 ...
0
votes
1answer
86 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 ...
1
vote
2answers
180 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 ...
4
votes
3answers
314 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 ...
-1
votes
3answers
246 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 ...
1
vote
4answers
139 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.
2
votes
2answers
159 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 ...
0
votes
1answer
32 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 ...
1
vote
3answers
74 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 ...
3
votes
3answers
131 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 ...
1
vote
1answer
154 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 ...
0
votes
1answer
185 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 ...
1
vote
0answers
50 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 ...
3
votes
1answer
153 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 ...
9
votes
5answers
1k 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?
2
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2answers
264 views

Is it any open source Bitcoin exchange available [duplicate]

Is it any open source Bitcoin exchange code is available
5
votes
1answer
285 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 ...