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71 votes
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Cryptocurrency Arbitrage - What do I need to know?

Arbitrage - What it is and how it works Arbitrage refers to the process of instantly trading one or more pairs of currencies or odds for a nigh risk-free profit. Usually, this involves two ...
deepbrook's user avatar
  • 1,672
17 votes

Anyone know of an API I can get historical price time series for multiple coins

I am developing the ccxt cryptocurrency trading library, check it out on GitHub: https://github.com/kroitor/ccxt It is a library for cryptocurrency trading and e-commerce with support for many ...
Igor Kroitor's user avatar
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
10 votes
Accepted

Can I send bitcoin to other address in my wallet to provide anonymity?

Let's assume you're the outside observer. You see 1 BTC go from aaa to bbb, then from bbb to ccc, then from ccc to ddd, and them from ddd to zzz (zzz being associated with service Z). Can you see how ...
UTF-8's user avatar
  • 3,224
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
7 votes
Accepted

Anyone know of an API I can get historical price time series for multiple coins

Found the data on crypto compare const endpoint = 'https://min-api.cryptocompare.com/data/histoday?aggregate=1&e=CCCAGG&extraParams=CryptoCompare&fsym='+ ticker.toUpperCase() +'&limit=...
Vinnie James's user avatar
6 votes

Incorrect bitcoin address funded

No you cannot recover Bitcoin sent to the wrong address. Many people and businesses use HD wallets that generate a new address each time. If the recipient has provided you with a new address but you ...
Sebastian Ullrich's user avatar
6 votes

Is it safe/wise to buy bitcoins with a credit card?

Buying any crypto from your credit card is same as buying it through any other payment method. both are equally secure. But always buy it from authentic source only, there are many scamming sites ...
Ankur Gupta's user avatar
5 votes

Anyone know of an API I can get historical price time series for multiple coins

http://www.cryptocoincharts.info Advance API to more than 100 exchanges: cryptocurrency pricing, OHLC and volume data from multiple exchanges. BTC38, BTCC, BTER, Bit2C, Bitfinex, Bitstamp, Bittrex, ...
Gilgi's user avatar
  • 59
5 votes

Fiat to Satoshi Relationship

The number of satoshi per bitcoin is 1e8 or 100,000,000, so if you have a fiat value per bitcoin such as $7000/BTC, the calculation is: $/satoshi = $7000/1e8 = $0.00007 per satoshi Of course, ...
JBaczuk's user avatar
  • 7,418
5 votes

buying bitcoins with debit cards that are not mine

I have a couple of friendswho want to purchase bitcoin, I would buy the bitcoins for everyone, that is why I have all of their card and personal info. I wanted to use a single wallet (mine) and then ...
chytrik's user avatar
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5 votes

Trading Bitcoins through binary miner

Their homepage advertises them as: WORLD'S BEST RISK FREE FOREX, BINARY AND BITCOIN INVESTMENT Any entity that advertises any form of trading as risk free is a scam. Essentially all binary options,...
Raghav Sood's user avatar
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5 votes
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How did Elon Musk buy Bitcoin when it is open source?

The Bitcoin network is a decentralized network of computers (nodes), that keeps track of bitcoin (BTC, the monetary unit). The Bitcoin network has no admin, no leader, no centralized point of control. ...
chytrik's user avatar
  • 18.3k
4 votes

Bitcoin address does not show transaction/balance from Coinbase purchase

I'm no expert but I'm a user of coinbase and noticed there's a mistake in ScripterRon's answer. The first transaction moves the coins from an address controlled by Coinbase to a new address ...
Wadih M.'s user avatar
  • 151
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
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Off-chain transactions with Coinbase

From the perspective of the Bitcoin network, Coinbase owns both the Bitcoins you transferred in, and the Bitcoins they sold to you. This is useful from a technical perspective, because Coinbase can ...
Nick ODell's user avatar
  • 29.4k
4 votes

How to build a Java trade bot

So you want to limit your bot strictly to gdax? There are some libs providing abstraction layers from a specific exchange. One example is https://github.com/timmolter/XChange This becomes very ...
Andreas Rückert's user avatar
4 votes
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What's the difference between a Bitcoin Wallet and a Bitcoin Exchange?

A bitcoin (or any crypto) wallet is simply a set of public/private keys. If you own the keys, you own any coins that those keys can access. An exchange is very similar to a stock exchange. You ...
Raghav Sood's user avatar
  • 17.1k
4 votes
Accepted

What can you do with the private key?

Anyone who knows the private key will have full access and control of any coins stored at the corresponding address. When you put a password on a wallet or login account, that password is only for ...
chytrik's user avatar
  • 18.3k
4 votes

What can you do with the private key?

What if a person has your private key? Then they have independent control over all the unspent Bitcoins associated with that private key. Once they have the private key there is nothing you can do ...
RedGrittyBrick's user avatar
4 votes
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How do websites sell cryptocurrency with fiat payments?

Essentially you want to start a cryptocurrency exchange? If that is true, you need liquidity for people to be able to buy these coins. There are two ways of going about it: Use a broker/third party ...
Goose's user avatar
  • 156
4 votes

Am I Being Prodded By A Bitcoin Mining Scammer?

This is most certainly a scam, the scammer's messages explaining how Bitcoin works are pretty much nonsensical. Disregard all the jibberish he wrote to you, if you'd like to learn about Bitcoin, this ...
chytrik's user avatar
  • 18.3k
4 votes

Isn't burning bitcoins a kind of fraud?

BitCoin burning is the process by which digital currency miners and developers can remove bitcoins from circulation I think you'll find that "Bitcoin burning" refers to owners of Bitcoin ...
RedGrittyBrick's user avatar
3 votes

How to transfer bitcoin bought online to my desktop wallet?

I did this today and the procedure is currently (2017-10-31) as follows (Electrum 2.9.3): Prepare Electrum to receive * Make sure Electrum is online (green icon bottom right) * Click 'Receive' and ...
Herbert Van-Vliet's user avatar
3 votes

What are some forks of Bitcoin that ultimately failed?

It kinda depends on your definition of "failed". See http://mapofcoins.com/bitcoin for a list of maybe not the whole tree, but a fairly large one. You can select "defunct" coins at the top, to mark ...
user36303's user avatar
  • 786
3 votes

Off-chain transactions with Coinbase

Yes, you have a fully custodial account on Coinbase, thus Coinbase is holding your bitcoins for you. When a customer buys bitcoins or receives a payment from another customer of Coinbase, Coinbase ...
Murch's user avatar
  • 75.9k
3 votes

How's the blockchain connected to a Bitcoin Wallet?

Blockchain is the state of the bitcoin network. It is unanimously accepted as the correct state. Each bitcoin full node stores its own copy of the blockchain. These copies can rarely differ in ...
croraf's user avatar
  • 1,248
3 votes
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Sent BTC to BCH wallet

Your method is correct: you'll need to use the mnemonic seed phrase that generates the bch wallet, to generate a btc wallet. If you do that, you should see your btc balance. To see if your btc are at ...
chytrik's user avatar
  • 18.3k
3 votes

api for buy/sell bitcoin

A simple google search does the trick. There are mutiple APIs from major crypto currency exchanges: CoinBase API Kraken API
AK_'s user avatar
  • 131
3 votes

Exchanges and security

That is the risk you take when giving someone else control of the private keys to spend your coins. When you transfer them to an address in custody of a centralized exchange, that means they have the ...
JBaczuk's user avatar
  • 7,418

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