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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58 views

Exchange Confirmation Requirements

What does the minimum confirmations required for a deposit mean for the security of exchanges? For example, Coinbase requires 3 confirmations for Bitcoin deposits. Suppose an adversary deposits 10 ...
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37 views

Order Book Distribution

I'm currently building a small bitcoin order book simulator that would mimic user limit orders. What gives order books its V shape appearance? That is, the further away we go from the market price, ...
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49 views

Working of crypto currency swaping (Exchanging) in Crypto exchange

I am new in crypto. I know something about cryto currency and its working. I am curiosity about the working of Crypto exchange like binance,coinbase...etc... My doubts is Some exchanges provide the ...
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63 views

How should I calculate a net value after a BTC withdrawal from an exchange?

Many exchanges have a withdrawal fee (such as Poloniex, which charges customers in 0.0005 BTC on average) and these fees are mostly for network costs. Should I consider as a general rule that the ...
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2answers
79 views

I’ll pay whomever can help me Bitcoin Cash from blockchain wallet to Coinbase wallet with Bitcoin address [duplicate]

I've read now a 100 or so questions here with no clearcut answer nor update after they were given advice. I had money in my Bitcoin Cash wallet on Blockchain. I wanted to send the money to my Coinbase ...
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2answers
139 views

How to accept bitcoin and giving each user a unique address amd automatic withdrawal

I want to create a website when users on singing up will get a unique address and after getting my websites service,they can withdrawal the money also automatically. Is that bitcoin integration free ? ...
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2answers
90 views

How do cryptocurrency exchanges work with so many currencies at the same time?

To implement automated deposits/withdrawals of a single currency for a business there has to be a lot of code in place specific for that currency. For example if I want to automate sending and ...
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1answer
111 views

Keeping wallet addresses outside bitcoin core

I'm trying to build a good security for my online bitcoin based application. Is something like this possible? send_bitcoin(address) create_address() sweep_balances() + | | ...
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1answer
37 views

From Edge to Poloniex

Bought bitcoin and have a balance in a exchange account at Poloniex. Is there another step I need to take or is this where the estimated value that changes is where I will be able to send this back to ...
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1answer
124 views

Bitcoin / Crypto and exchanges!

When we buy/ sell bitcoin through some exchange say "Koinex in Indian context", what is the process i.e. actually followed ? 1. Does exchange communicate to node(s) in the bitcoin blockchain thru my ...
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1answer
141 views

How is a ticker price determined?

I am trying to understand how a ticker price is determined for an asset, in this case I am specifically looking at BTC data from GDAX. The question stemmed when downloading historical BTC data from ...
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276 views

Need explanation - limit buy order (Cryptopia)

If there are sell orders like this: selling 200 XXX - 100 satoshis per coin selling 200 XXX - 101 satoshis per coin selling 200 XXX - 102 satoshis per coin selling 200 XXX - 103 satoshis per coin ...
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1answer
787 views

Is there a way to retrieve lost Litecoin

one year ago, I transferred few litecoins to btc-e, which after few days were shut down, from my wallet. At that time, my wallet was not fully synced with the network. In my wallet I can still see ...
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281 views

Bittrex API market history — interpreting OrderType

The Bittrex API has a request to get the market history: https://bittrex.com/api/v1.1/public/getmarkethistory?market=BTC-DOGE which gives a response containing the following fields: "Id" "TimeStamp"...
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2answers
185 views

Buying selling of cryptocurrency. Where does the coin come from and where does it go?

I am a novice trying to understand selling and buying of crypto currency. I could not find it on google so asking, please do not be harsh. Say, I have an account with coinbase and want to buy ...
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1answer
116 views

Where can I get the export format for exchanges?

I am trying to get the format that a large number of exchanges use to export their data. So when a user clicks export my trades, there is usually a csv file which has a specific format to it. I ...
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1answer
69 views

How do websites get prices for a coin? [closed]

There are websites with historical data of coins. How do they get it? Do they get the price from 10 exchanges at the same time, then divide by 10?
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1answer
795 views

Signature for this request is not valid

im testing the binance api but cant get over the signature problem can u spot a mistake on my signature?: const crypted = CryptoJs.HmacSHA256("timestamp=" + new Date().getTime().toString() + "&...
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1answer
105 views

Where to get the data for Transactions, Graphs as a Bitcoin Exchange

Our team is planning to start our own Bitcoin Exchange where an end-user could Register, make transactions(Sell/Purchase bitcoin), keep their wallet and could see live Graph of all the listed crypto-...
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1answer
454 views

Real-time price data for cryptocurrencies [duplicate]

I need some source (preferably free) for real-time (or some reasonable time lag) for quotes of cryptocurrencies. Can you suggest anything? What does Kraken or Poloniex use?
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1answer
465 views

How an order fulfillment works

I'm trying to understand how order fulfillment algorithm works from technical point of view. Let's say I created an order to sell 0.8 BTC and buy 5400 XRP along with other orders to sell 0.35 BTC, 2....
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1answer
489 views

How can I determine my cryptocurrency exchange rate according to demand and supply by programmatically? [duplicate]

I know exchange rate depends on so many factors theoretically, but how can I determine my cryptocurrency exchange rate according to demand and supply by programmatically? Is there any standard ...
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0answers
160 views

transferring Bitcoins between two exchange

I transferred my bitcoins from Binance to Yobit. The BTC are gone from Binance but it is not coming on Yobit.net. I also transferred Litecoin from GDAX to yobit. They are also not showing in Yobit. ...
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1answer
4k views

Binance API SIGNED GET request error code -1100 on signature parameter

I am trying to load my crypto portfolio into Excel so I can use its easy analysis functionality on my trades. However, I'm having trouble connecting to the API using VBA's WinHttpRequest. I use the ...
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1answer
151 views

I have bitcoins in Poloniex. How do I get them to CANADIAN dollars?

Coin base doesn't allow transfer to a CANADA account and Kraken's authentication is down. it looks like I can get money out of Quadrigacx?? but how do I transfer my bitcoins from Poloniex to ...
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2answers
290 views

Where to buy Bitcoin with Paypal? [duplicate]

I have a Paypal account and I don't want to give up my ID card. Where could I buy Bitcoin at a price reasonably close to the exchange rate?
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119 views

Bitcoin sent from one wallet to another didn't reach

looking for some help and advice here. I sent 2.27 BTC from one exchange (Coinsecure) to another (Koinex). However, the receiving exchange (Koinex) only credited 0.327 to my wallet. I have been ...
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107 views

Transaction has been unconfirmed for two days [duplicate]

I have bought Bitcoin from a BitcoinATM in Romania and my transaction has not been confirmed yet. I e-mailed them and they told me "the network is busy but your transaction will be confirmed at some ...
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1answer
106 views

Change currencies through BitCoin or other Cryptocurrency

I'm from Brazil and I'm going to USA in January, so I need to buy dollars. Here in Brazil every currency exchange done have to pay a tax that is usually 7%. But we don't have to pay that tax in ...
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1answer
857 views

Can't use Bittrex Exchange python-bittrex api call: no output

I'm completely new to python (and programming), and I know this question will sound very dumb to most of you people. I'm experimenting on getting datas from the cryptocurrencies exchenge bittrex and ...
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1answer
318 views

Why don't exchanges offer all coins?

What is the tech overhead associated with supporting a new coin on an exchange (such as bittrex). Especially when most of the new coins are built on the popular ones (ETH, LTC etc.) If it's ...
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1answer
95 views

Confused by the term: trading partners. And how to convert more fringe currencies back to bitcoin

Two questions: I am confused by the term: trading partners like BTC/ETH, etc. I'm into some more of the fringe currencies, IOTA, and SAN. Bought them with bitcoin on bitfinex, how to convert back? ...
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723 views

Has anyone used CoinSwitch.co? [closed]

I was looking for options to buy NEO and got to know about CoinSwitch. Has anyone used this exchange?
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1answer
2k views

How transaction fees are calculated when buying from exchange and transferring to wallet? [closed]

If I buy bitcoin from a exchange and later want to transfer to my wallet for storing purpose (e.g. Jaxx or other), how the transaction fee will be calculated? I thought I can buy some amount of BTC ...
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2answers
236 views

Where is the real money stocked? Are exchanges banks? [duplicate]

I'm trying to understand how cryptocurrency works, and there is something I really don't get: Exchanges; some are calling themselves "cloud banks" but I thought there was no banks, no place to stock ...
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2answers
519 views

Exchange currency trade history

I am looking for datasets of trade history, which contains the following information: date-time, buy/sell, price. The currency pair and exchange is not important.
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1answer
227 views

Why can't exchanges share their bid/ask contract pool?

I'm checking up different exchanges and about to make my first purchase. Then I noticed there are so many different exchanges, and each has quite different liquidity and bid/ask spread. Why is it so? ...
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84 views

Very strange balance in poloneix

I believe I transfer 1.3 bitcoin from exchange account to lending account. Then I saw I have only .29 bitcoin left in my lending account. So I did a search. This is what I found It says I have .29 ...
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1answer
119 views

Where can I find historical exchange rate data for Dash (ex DarkCoin)/USD?

Is there a public data provider that allows to download the full history of Dash (ex DarkCoin) vs. US Dollar exchange rates?
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1answer
104 views

Bitcoin/US Dollar Exchange Rates

If Bitcoin were to be used as an alternative, industry-specific banking platform, what would the effect of all 21M bitcoins in circulation be on the dollar/bitcoin exchange rate? Or, would it be ...
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28 views

Searching for EUR exchange with high trading volume

I'm currently trading on kraken.com which works perfectly fine. Now I want to discover other EUR exchanges which have good reputation, a relatively high trading volume and preferably low trading fees. ...
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2answers
312 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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173 views

The effects of a 'buy wall' on the market? [duplicate]

I'm learning a lot about coin markets. Now i'm wondering What are the effects of a buy wall? or a sell wall? Do they affect the market in any way? Thanks!
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0answers
127 views

any exchange to sell naked puts on bitcoin? [duplicate]

I would like to sell puts on bitcoin to collect premiums if bitcoin goes up in value to usd, and to be long bitcoins at a lower price if I get exercised. This is much more predictable for me than just ...
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1answer
72 views

What are the regulated exchanges out there?

I do not have trust in random exchanges. I'm looking for regulated exchange so I'm less likely to lose my BTC. What are the regulated exchanges out there? Some hints: https://techcrunch.com/2015/...
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2answers
89 views

Does any exchange provide API to call callback function on each transaction?

Does any exchange provide API to call callback function on each transaction? I would like to build a auto trade platform based on the tick event, but instead of pulling the price, I would like to use ...
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1answer
4k views

When does the Ardor - NXT to Ignis snapshot occur and which exchanges support the snapshot?

I heard the Ignis snapshot is going to occur sometime in the summer of 2017. When is the exact date? And how many coins do you get for holding your NXT for Ignis? And which exchanges are on board with ...
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727 views

Are each of the currency trades at MtGox independent from the other? Who or what is the equalizing force that aligns the markets?

MtGox supports many different currency formats. I'd like to know if each currency/BTC trade is independent of any other and the valuation isn't always perfectly aligned. If someone wants Yen for BTC, ...
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1answer
84 views

Bitcoin opening and closing times

What time does the Bitcoin market open and close? Also, I've just joined Cryptorobot365 which claims to win 9/10 trades, but I'm still losing money on my account after 4 hours, albeit only £4. Can ...
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2answers
3k views

Binance hacked?

Something is happening, yesterday in reddit many people could not withdraw their funds or cancel their purchase orders . And the administrator (who is binance and usually solves the problems) erased ...