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14 votes
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Why do bitcoin exchanges use "central" wallets?

Note: This answer applies to Bitcoin, not "crypto" generically. On terminology I think you may be conflating "wallets" and "addresses". Addresses are used to communicate ...
Murch's user avatar
  • 76.4k
11 votes

What is the strategy behind a sell wall?

I use this type of trading to accumulate buys at a cheaper price. Ex: if I spend 2 hours buying small amounts of coins so nobody notices the large buys, then I put up a large sell wall ($30k-$45k) to ...
StiltSkin's user avatar
  • 111
9 votes
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How to tell if a cryptocurrency exchange or trading platform is trustworthy?

Here's a few checks I'd advise anyone to do. Does it promise to earn you more than 10% profit in less than a month? If so it is a fraud. Does it make implausibly impressive claims like "SEC ...
RedGrittyBrick's user avatar
8 votes
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Coin Exchange Profits

You are right that you will need significant volume to make substantial profits. Which country are you located in? Some countries will also have very high regulatory startup costs, which is why you ...
opensourceprivacy's user avatar
8 votes

How much does it effectively cost to purchase currency at an exchange?

Essentially, you have to factor in 3 fees in a purchase: 1. Deposit fee (if applicable) This is usually a fee for wire transfers, and from my experience is only relevant if you deposit cash across ...
deepbrook's user avatar
  • 1,672
8 votes
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How do exchanges store and transfer bitcoin?

It is important to keep in mind that addresses are not the same as wallets. A wallet contains multiple addresses, not each address is a wallet. Exchanges maintain their own wallet with thousands of ...
Ava Chow's user avatar
  • 71.1k
7 votes

How can I convert my Bitcoin to Western Union urgently?

There are many Bitcoin buyers on LocalBitcoin who are willing to pay via Western Union. Look for someone with a very high feedback rating and do not release the Bitcoins from escrow until you are sure ...
Julio's user avatar
  • 338
6 votes

What is needed to get listed on a currency exchange website?

First, you're going to have to prove that your altcoin is useful and has value and liquidity. You can't just create a new coin and expect people to value it. The most successful altcoins have ...
Jimmy Song's user avatar
  • 7,759
6 votes

Is it safe to store all my coins on Coinbase?

I would recommend diversifying your btc holdings as much as possible. What if something happens to your wallet? That wouldn't necessary be better than coinbase. You could keep some in a personal ...
marshal craft's user avatar
6 votes
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what is the Volume and BaseVolume reported from bittrex API?

Volume is the amount traded in that altcoin over the past 24 hours. In the case of BTC-DGB, this is the amount of DGB that has been traded in 24 hours. BaseVolume is the total value traded in the ...
jaggedsoft's user avatar
6 votes

How do I find the exchange an address belongs to

It is basically impossible to identify who (whether it is an exchange or someone else) owns an address unless they announce that they own the address. You will not be able to figure out what exchange ...
Ava Chow's user avatar
  • 71.1k
5 votes

Bitcoin market hours (open/close prices)

For the Gemini exchange the closing price is at the time of their daily auction at 4pm ET. You can read more about the auction here: https://gemini.com/marketplace/ And why it is considered their "...
SatoshiReport's user avatar
5 votes
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Which Bitcoin exchanges publish proof of reserves?

Several exchanges have published reports (OKCoim, Kraken) but Bitfinex is the only one I am aware of to offer real time proof of reserves with individual BitGo wallets. "The era of commingling ...
Brad Collins's user avatar
5 votes

Algorithmic trading python library?

Check out my ccxt library on GitHub: https://github.com/kroitor/ccxt With it you can access market data and trade bitcoin, ether and altcoins with many crypto currency exchanges. It is used to ...
Igor Kroitor's user avatar
5 votes

How do exchanges keep relatively similar price on coins?

If I could buy a bitcoin on Exchange A for $2,000, turn around and immediately sell it on Exchange B for $2,500, and make an immediate profit of $500, I would do that all day long, and get rich! But ...
abelenky's user avatar
  • 1,344
5 votes

Why is the USD spread of the order book on GDAX kept very low most of the time?

GDAX offers 0% fee to maker (traders who's trades are being matched by a seller or buyer). That incentives traders to try to match bid and ask as close as possible thus reducing spreads.
alcio's user avatar
  • 1,274
5 votes
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Is it possible to buy bitcoins via an exchange directly into cold storage?

You can generate a wallet for cold storage offline easily. You can then ask the exchange to use a public address of that cold storage as the recipient for a transaction. You'd still pay the fee the ...
BlackBeltBob's user avatar
5 votes
Accepted

High activity on exchanges vs. low transaction rate on blockchain

Given that every transaction on an exchange requires also a transaction on the blockchain, how does it work? They don't, movements on exchanges are internal, not Bitcoin transactions.
Claris's user avatar
  • 15.4k
5 votes
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How do cryptocurrency exchanges handle users' accounts?

When you send funds to an exchange, you do not own the UTXOs created. They are owned by the exchange. Exchanges use the UTXOs from all their wallets to process withdrawals. This means that if you ...
Raghav Sood's user avatar
  • 17.1k
5 votes

list of addresses for major bitcoin exchanges

Try searching for largest balances on the blockchain explorers and they sometimes have them labeled. For example: Bitcoin Rich List shows: 3D2oetdNuZUqQHPJmcMDDHYoqkyNVsFk9r wallet: Bitfinex-...
JBaczuk's user avatar
  • 7,428
5 votes
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list of addresses for major bitcoin exchanges

I use this website. https://www.walletexplorer.com/ You can filter bitcoin addresses by business organizations. You can also see updated list of transactions by each business organization. This site ...
mango's user avatar
  • 361
5 votes
Accepted

Is this exchange legitimate?

It is definitely fake, I got the same exact message saying I won the same amount. Please do not drop $200 to buy yourself .006 btc to get your prize, this oozes sketch in every way possible. The site ...
Themis's user avatar
  • 166
5 votes
Accepted

How hard is it for an exchange to adopt native segwit? Is it not as simple as updating the address regex checker on the front-end?

Adopting any deposit change at all is not as simple as "just change regex". There are a few considerations: Addresses must be generated, and generated properly. All generated addresses that ...
instagibbs's user avatar
4 votes
Accepted

What's the best way to transfer bitcoins between two exchanges?

Withdraw your Bitcoins from your Kraken account directly to an address provided by your Poloniex account.
rny's user avatar
  • 2,428
4 votes

Is there an opensource crypto-currency exchanges engine?

Bitsquare.io is currently the state of the art and it is open source: https://github.com/bitsquare/bitsquare/
stke's user avatar
  • 381
4 votes

What is the strategy behind a sell wall?

http://www.dancingbots.com [1] is visualizing the chronological sequence of limit orders on popular exchanges. You can see how those walls are repositioned if the price moves. Those big positions are ...
tobltobs's user avatar
  • 151
4 votes

What exchanges offer trail orders?

This answer needs an update. As of 2017, the following exchanges support trailing stop orders: Kraken - fees up to 0.16% - 0.26% Bitfinex - fess up to 0.10% - 0.20% Bitstamp - fees up to 0.25% ...
Dan Dascalescu's user avatar
4 votes
Accepted

What Bitcoin exchange is the real bitcoin value?

There is no such thing as a the "real" value. The value of Bitcoin as denoted in another currency (USD, EUR, etc...) is based on how many people are buying and selling, and in what quantities. On ...
Jestin's user avatar
  • 8,822
4 votes
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What is the purpose of XBTEUR.d tradable pair?

The difference between XBTEUR and XBTEUR.d is that the former is on the "regular" kraken exchange whereas the latter is on a dark pool. In substance, dark pool orders are only visible to the exchange ...
assylias's user avatar
  • 156
4 votes

China is 98% of the bitcoin market?

Chinese Bitcoin exchanges don't take a fee per trade and some actually reduce the withdrawal fee if more trades were made. Outside of China, exchanges usually take a fee on each trade. The volumes ...
Murch's user avatar
  • 76.4k

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