Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Join us in building a kind, collaborative learning community via our updated Code of Conduct.

Use this tag for questions pertaining to the purchase of Bitcoins.

0
votes
1answer
20 views

With the btc price changing every second, how can you accurately display conversion to fiat currency?

So the ASK price of BTC is constantly moving -- every second. I'm trying to build out a simple UI where the user can enter in the amount of BTC they want to buy, and then display how much that will ...
0
votes
0answers
4 views

French bitcoin application [duplicate]

Which bit coin app has a language option that can be changed from English to French. Am in Guadeloupe but i am originally from France. I have tried a lot of apps but no one has the french language ...
0
votes
1answer
26 views

Is there a Bitcoin wallet that has French language support?

Which Bitcoin app has a language option that can be changed from English to French? I have tried few applications but they seem to be no language option.
2
votes
1answer
33 views

How to buy Bitcoin in Iran [closed]

So I'm trying to buy Bitcoin in Iran and I want to use my Iranian Bank Account which unfortunately isn't accepted by PayPal or other online payment websites. So is there any way for me to buy Bitcoin(...
0
votes
2answers
60 views

At what prices I will be buying/selling bitcoins?

Scenario 1: I bought k bitcoins at unit rate X in the past, with amount A. If I want to sell them now, I look at three unit prices: Buy Price Sell Price Spot Price Question # 1: At which price I ...
1
vote
1answer
47 views

What is the Default Rounding for 8 digits in Binance,tradingview,etc

I have a problem. I am struggling to calculate programmatically the number of cryptocurrencies because I sometimes have inaccuracies in the last digit. Does anybody know what the problem is? (Of ...
0
votes
2answers
44 views

Personal information and bitcoin purchasing

I am in the process of buying bitcoins and am being required to put in a lot of personal details. Once i buy the bitcoins is there any way that the information i had to submit to buy them originally ...
4
votes
1answer
72 views

What's the difference between a Bitcoin Wallet and a Bitcoin Exchange?

I was thinking about investing a small amount of money in Bitcoin: actually I'm having second thoughts about this, after all the fraud stories I've been told about on the Personal Finance site. ...
0
votes
1answer
37 views

Hardware wallet can be used anywhere?

I haven't yet traded any cryptocurrencies. I'm planning to buy BTC through Coinbase then exchange BTC for a small amount of XRP. The main reasons for going with Coinbase is it's safe, well regulated ...
0
votes
1answer
34 views

How to calculate value of pair but in opposite direction

I am new to trading so my question might seem obvious or stupid to some but here goes. Exchanges often quote crypto pairs in a specific order, i.e. ETH/BTC but not very often (if at all) BTC/ETH. ...
0
votes
2answers
90 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 ...
2
votes
1answer
115 views

BTC Arbitrage Opportunity question

I have an bank account that allows me to exchange between currencies at no extra premium other than the exchange rate. I am noticing large spreads between some of the BTC prices in various currencies....
0
votes
1answer
123 views

Cryptocompare API is not updated

I have created an android app for maintaining the portfolio. I have used the coinmarketcap.com API. This API does not have the data at exchange level. I have tried https://min-api.cryptocompare.com/ ...
5
votes
5answers
325 views

Buying big amounts of Bitcoin for cash in person

Presumably, I want to buy Bitcoin in person somewhere in Europe. I need very big amounts, say, 1K BTC, and I am willing to pay in cash (EUR). When I find potential sellers online or through friends, ...
4
votes
2answers
309 views

Where to buy huge amounts of Bitcoin?

I read the following article: Bitcoin surging higher after mystery trader buys $344mn in cryptocurrency, Russia Today, February 19, 2018. Where could the man buy such a large amount of Bitcoin? On ...
0
votes
1answer
170 views

blockchain.info says password is incorrect, and wont allow me to access my BTC

I had a wallet ID through blockchain.info. I signed in, received my BTC from where I bought it, all was good. I wrote down my 12 words for recovery and have them. I changed my password to something ...
0
votes
0answers
99 views

If I purchase bitcoin at todays price and btc drops to 2.00, I am still in the game as long as I do not cash out. Correct? [duplicate]

If I purchase bitcoin at today's prices and btc drops to $3.50, I am still in the game as long as I do not cash out. Correct?
1
vote
2answers
136 views

How will bitcoin survive if everyone is hoarding?

It is the question since I first heard about bitcoin, ethereum and then many others. Most tokens or crypto currencies, usually offer a utility on their respective platforms. Bitcoin is to distrupt ...
0
votes
1answer
107 views

Paid the seller but did not receive my Bitcoin [closed]

I bought my bitcoins from Remitano, the support team said it's been released but it's already 2 days I still haven't receive anything. The following is my e-wallet : ...
5
votes
3answers
167 views

How did anyone buy bitcoins before exchanges?

How did the first bitcoins get bought by anyone? I understand how miners got them, but what did they do with them?
1
vote
0answers
24 views

Are market prices listed by exchanges weighted by transaction size?

Suppose I buy 0.0001 BTC for $1.23 on some hypothetical exchange. Does that mean that the market price on that exchange at that time is $12,300? The reason I ask is that there is a huge difference ...
0
votes
1answer
60 views

Bitcoin unconfirmed transactions - what is the best solution to fast it up? [duplicate]

I have couple of unconfirmed transactions that i want fast up. How i do it quickly and easily ? What do you do ? the fees going insane (over $12 for the smallest transactions) i want to send with ...
0
votes
1answer
266 views

How bitcoin tax is calculated?

I bought 1 bitcoin and sold part of it to make cash from time to time. How will tax on this income be calculated?
0
votes
0answers
13 views

Issue in development of exchange

I am setting up an exchange. As of now I know how to send and receive the bitcoins to and from address. I have sample code with me which works fine. But now am stuck at point how to buy and sell the ...
-1
votes
1answer
328 views

I sent bitcoin to the wrong address [duplicate]

How can I learn who has access the the address that my btc were incorrectly sent to? I look in btc.com and see that the btc was sent and completed, and unspent. It's just sitting somewhere on the ...
0
votes
0answers
97 views

BCH address instead of BTC address

I accidentally used the bch address instead of btc address to buy bitcoin(using credit card). I do not see any increase in either wallets for the transaction. Can someone suggest what I should do now?
0
votes
0answers
473 views

api for buy/sell bitcoin

I have recently started a project to build an exchange plateform. I am unable to find an API that provides me an ability to implement a feature to buy and sell bitcoins. Can someone please let me ...
0
votes
0answers
31 views

Unconfirmed Bitcoin Transfer pending for 51 hours [duplicate]

This transaction I placed over 50 hours ago is still unconfirmed can anyone help?Summary Size 373 (bytes) Weight 1492 Received Time 2018-01-04 19:59:11 Lock Time Block: 502587 Visualize View ...
0
votes
0answers
35 views

Precautions while buying bitcoin

Which precautions to take for avoiding the scams during purchase of bitcoin? This will help to newbies who are willing to make their first trade.
-1
votes
1answer
51 views

Few questions on Bitcoin purchase and transfer

would like to know how you do things from buying Bitcoin to transferring it to Poloniex/other wallet. 1) Where do you buy Bitcoins (USD/SGD/PHP/OtherCurrencies to Bitcoin)? 2) How do you transfer it ...
2
votes
1answer
97 views

Tether decouples demand from price?

So I don't understand how Tether (USDT) works. I hear two contradicting things about it. First, is that it is pegged to the dollar, plus or minus a few cents here and there. Second, that you can buy ...
0
votes
2answers
206 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?
0
votes
1answer
5k views

How to buy using Kucoin?

I want to buy a crypto-currency from Kucoin but there isn't any option like buy using card only options are exchange from coin A to coin B. How to buy now ?
0
votes
1answer
87 views

Can I make instant profits in this way?

Different exchanges have different rates to buy BTC. So, how about buying in an exchange which has a lower BTC rate, send that BTC to an exchange which has higher sell rate, and sell to make a ...
0
votes
0answers
18 views

Mistake to send BTC with low fee; How can I make it confirmed? CPFP? [duplicate]

I mistook to send BTC with very low fee (0.0001BTC) and the transaction is still unconfirmed after 4 days since then. The amount is high for me, so I am really annoyed. I searched how can I make it ...
1
vote
1answer
119 views

Bitcoin exchange where you can set your own wallet instead of using one provided by the exchange

I'm looking for a European based Bitcoin exchange where I can buy bitcoin and have them delivered straight to my private wallet. I basically want to avoid the extra cost of transferring the recently ...
0
votes
1answer
391 views

Who receives the money when a bitcoin is purchased? [duplicate]

Where does the real money when someone buys a bitcoin? I understand that if you buy from someone or an exchange you are paying them in real money but who gets the money for a newly mined bitcoin?
0
votes
1answer
1k views

Can Coinbase Bitcoin network fee really be 50%

Ive just bough £47.81 of bitcoin. After fees i'm left with 0.00375837 BTC. I want to buy another cryptocurrency but the network fee is 0.00186539 so i'm left with only £24.41. Can this fee be ...
0
votes
1answer
33 views

The logic of exchange services of bitcoin

As we know,it takes at least 10mins to transfer bitcoin to other accounts.therefore I guess they actually don't transfer any bitcoins except when their users try sending to others they want. So do ...
0
votes
1answer
86 views

Understanding Bitcoin wallets

I want to make sure I'm understanding a few basic concepts clearly: A Bitcoin wallet itself is nothing more than a "record" that is stored on the Bitcoin blockchain. It's an identifier that will be ...
2
votes
1answer
136 views

buy bitcoin or bitcoin cash? [closed]

I have some bitcoins on coinbase and was going to buy more. But now I see bitcoin cash available on coinbase. Should I buy bitcoins or bitcoin cash? What is difference? And they have the same ...
0
votes
1answer
58 views

Does 'Mixing' in bitcoins really add up protection to my bitcoins?

I was researching on simple ways to protect bitcoins without using unknown/untrusted software or solutions. It took my attention to 'Mixing' in the bitcoins with a friend's bitcoins and transfer back ...
1
vote
5answers
199 views

How do I buy Bitcoin with cash? [duplicate]

How do I buy Bitcoin with cash? I am Canadian, and have a lot of cash that I would like to convert to Bitcoin without using any banks. Can I do this?
1
vote
1answer
577 views

Download Bitcoin, Etherium, Ripple rates 1min candles

is there any possibility to download archive with rates for Bitcoin, Etherium, Ripple VS USD? I need 1m ... 1w candles. I would like to find such service and download it on daily basis.
1
vote
1answer
653 views

Bitcoin Transaction Fees When Buying and Selling

After dipping my toes in the water with Bitcoin, turning £ into BTC, I immediately noticed around a 10% loss through transaction fees. This seems high firstly. Is this normal? Secondly, with the rate ...
1
vote
0answers
147 views

Liquidity Solution for Crypo Exchanges

I need to connect to a network of global crypto-exchanges and shares their order books (DSO Liquidity Solution) so ensures that right from the very start my client exchange software will have a full ...
0
votes
1answer
279 views

Buy alt coin with bitcoin and both go up 300%, so did I even make any money?

Seems that my poor and rich bitcoin holding friends don't seem to even know the answer to this :/ Say I used coinbase and transfer BTC to an exchange like bittrex and exchanged BTC for some alt ...
0
votes
1answer
317 views

Sent BTC to BCH wallet

I have seen this question pop over a few times but I did not find an answer I could understand. This is the scenario: I created a BCH wallet, mistakenly thinking it was a BTC one. I bought BTC and ...
0
votes
1answer
141 views

Couldn’t find my transaction

I bought bitcoin from Simplex two days ago but now when I check the blockchain.info website I face to "No transactions found for this address, it has probably not been used on the network yet" error. ...
0
votes
1answer
200 views

Effective way for transferring cryptocurrency money from one wallet to other

For example, I created a wallet on one trade platform. My friend has some money in some cryptocurrencies (BTC, ETH ...) for example. So here is my flow: friend's cryptocurrencies --(1)--> my ...