71
votes
Accepted
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 ...
- 1,672
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 ...
- 111
8
votes
How do I cash in Physical Bitcoins?
Although Murch has already given an excellent high-level answer, I'll add on some more details as an avid collector.
The first step is identifying the kind of item you have. This is going to fall ...
- 17.3k
5
votes
How do I cash in Physical Bitcoins?
I guess your first step would be to establish whether what you hold is actually a Casascius physical bitcoin or another physical carrier¹ of bitcoin. After that I would recommend that you take your ...
- 77.8k
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 ...
- 151
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 ...
4
votes
Accepted
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 ...
- 156
3
votes
How can I sell bitcoins and transfer the funds to my bank account?
There are a couple of ways to sell bitcoins for fiat currency (like USD, Euro,etc)
Directly trade with someone who wants to buy bitcoins using currency.
Find an online exchange that would buy your ...
- 264
3
votes
Sold BC but funds not received into Bank
this is Coinify representative writing. We are sorry to hear that you have experienced issues using our sell service and would like to ensure that everything is in order. Unfortunately, based on this ...
- 31
2
votes
Accepted
How did anyone buy bitcoins before exchanges?
On messageboards like bitcointalk and chatrooms. People would use Paypal or other digital payment systems to send dollars. You could also trade in person through meetups and localbitcoins.com which ...
- 2,092
2
votes
I have a physical Bitcoin, how can I exchange it for dollars
There are a handful of people/companies who manufactured physical bitcoins, most notably Casascius.
If you have one of these, a little tamper proof seal should cover a private key. You can then ...
- 17.3k
2
votes
Accepted
Selling btc but avoiding bank payment reversals
however payment reversals are a problem with bank wire transfers.
"Different wire transfer systems and operators provide a variety of options relative to the immediacy and finality of settlement and ...
- 27.1k
2
votes
Selling Test bitcoin
Testnet coins are an interesting thing:
They are useful because they have no value
If they had value, they would be useless
Remember that the testnet is there to test out your code, and ensure that ...
- 18.4k
2
votes
Somebody sells at 4k instead of 40k. Who gets it?
TLDR: The highest bidder on the exchange will get it.
One of the main jobs of an exchange is to match sellers with buyers. The exchange will help users sell for the highest price possible, and buy for ...
2
votes
For tax purposes, how much is Bitcoin is worth if you send it to an exchange and sell it immediately for fiat?
Tax questions should largely be off-topic here, as they are so jurisdiction-specific. But nonetheless, a general answer is sort of possible here:
In many jurisdictions, you will be liable to pay ...
- 18.4k
2
votes
How would I avoid spending my Bitcoins when I need to buy a house quickly?
The essential character of money is that you transfer it (or control over it) to another person in exchange for some object or service.
There is no way to use money to purchase something and still ...
- 28.5k
2
votes
Accepted
How to send Bitcoins to "anyone"?
But how can I sell Bitcoins without knowing someone who is interested, so without specifying a particular address?
You can't. You first need to know who you're selling to if you're trading directly.
...
- 110k
1
vote
At what prices I will be buying/selling bitcoins?
Scenario 1
Using a simpler example, if you visit bitcoin.com.au to sell Bitcoin you will get the sell price for k Bitcoins. In this example, it is a spot sell price.
Scenario 2
Using a simpler ...
- 3,309
1
vote
Accepted
How to calculate value of pair but in opposite direction
whether an exchange offers the Pair ABC/DEF or DEF/ABC depends on the readability of the values. so most exchanges have the same pair-orders. you can see that effect at https://coinmarketcap.com/...
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1
vote
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.
No worries, we all start out here.
Say, I have an account ...
- 376
1
vote
Does any exchange site let me automatically sell Bitcoin to USDT (or USD) right after I receive it?
You can use one of the Bitcoin exchanges and using their API, create something with the following logic:
while True:
current_balance = get_balance("BTC")
if current_balance > 0:
...
1
vote
Withdraw from bitcoin ATM
By having the private key you can sweep the wallet using a desktop or mobile wallet, I recommend electrum.
If you are new to the bitcoin world, visit https://bitcoin.org that has a lot of information ...
1
vote
How do I convert bitcoins into Brazilian currency?
To find an exchange in Brasil you can try buybitcoinworldwide.com. There are many exchanges, the site does not list all of them.
Most exchanges that let you buy bitcoins also let you sell (for a fee ...
- 3,309
1
vote
Accepted
How does one monitor all bitcoin address that hold more than a certain amount and detect movement from cold storage?
I found this website shows all movement from mtgox cold wallets with one day delay or real time when you donate:
https://www.cryptoground.com/mtgox-cold-wallet-monitor/
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1
vote
How does one monitor all bitcoin address that hold more than a certain amount and detect movement from cold storage?
There are sites that monitor the blockchain and aggregate the data. E.g. https://bitinfocharts.com/top-100-richest-bitcoin-addresses.html
- 171
1
vote
Selling Bitcoin for cash in my store
So far as I know, most store owners just rent floor space to a company that operates the Bitcoin "ATM". The store owner gets fixed monthly rental income and doesn't have to get involved in Bitcoin ...
- 28.5k
1
vote
How can I transfer my BitCoins to my PayPal?
If you have them in an exchange like coinbase.com: (1) sell them into your bank account, (2) connect your bank account to PayPal, (3) transfer them from your bank account to PayPal.
If you have them ...
- 1,337
1
vote
Can I make instant profits in this way?
Yes, you can do that, but it may be difficult to do. This process is called arbitrage and is something that occurs in other markets, not just in cryptocurrency trading.
Keep in mind that if you do ...
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