Stack Overflow
Stack Overflow

Questions tagged [bitcoin]

GENERAL BITCOIN QUESTIONS CAN BE ASKED ON https://bitcoin.stackexchange.com Bitcoin is a peer-to-peer digital currency with no central authority. Transactions are managed entirely by the network. Please ask only programming questions about Bitcoin.

is a 1st generation, open source, peer-to-peer digital cryptocurrency and a distributed payment network with no central authority. Transactions are managed entirely by the network in a decentralized manner. These transactions are verified by network nodes through the use of cryptography and recorded in a public distributed ledger called a .

Bitcoins are created as a reward for a process known as mining. They can be exchanged for other currencies, products, and services. As of February 2015, over 100,000 merchants and vendors accepted bitcoin as payment.

The official website of is Bitcoin.org

There's also a Bitcoin StackExchange site that's dedicated to Bitcoin.

1770 questions
-1
votes
1 answer

Is there any restriction to transfer btc to another account?

I have account in mkraken.com where my balance is around ฿0.05012, When I try to sent ฿0.00157 to other address using below code: Code : $res = $kraken->QueryPrivate('Withdraw', array( 'asset' => 'XXBT', 'key' => 'Mykey', …
Codebrekers
  • 754
  • 1
  • 11
  • 29
-1
votes
1 answer

How to use Coinpayments.net nuget package with ASP.NET MVC?

I am working on ASP.NET MVC website where users pays some amount of bitcoins and after payment he can download specific digital art file. Instant payment and download. I have found nuget package…
Dave
  • 171
  • 2
  • 11
-1
votes
1 answer

Retrieve hashcode from URL of bitcoin transaction

How do I retrieve the hashcode of a bitcoin transaction from any service.…
Ngan
  • 15
  • 3
-1
votes
1 answer

How to get coin address balance from bitcoind server?

Im running bitcoind on my local ubuntu box. I see that "bitcoind getbalance [account]" will get me the total balance of a user account. And thats good and that works fine. How do I get the balance of a individual users wallet (assuming they have…
Ngọc Thạch
  • 27
  • 7
-1
votes
1 answer

understanding cryptocoins mining profit calculation

So I've been reading about this topic for a while and am still unable to figure out somethings (or at least I need some confirmations). I looked on the internet for a mining hardware and I've chosen one to make my calculations, here is my…
user1221612
  • 465
  • 1
  • 7
  • 18
-1
votes
1 answer

Hyperledger Online payment use case: front end GO implementation

I am new to hyperledger and online payment. One scenario I have in mind is: if A is an online shop, B is a consumer. B orders an item from A's shop and pays with Bitcoin/hyperledger. A ships the item to B once the payment is received. With…
dellair
  • 427
  • 4
  • 22
-1
votes
1 answer

How can I host my Bitcoin API on the 21 market with a Virtual IP?

I'm trying to make my simple Pokemon API available on something other than my localhost. The API has two files, client.py and server.py. I ran the 21 market join command and got a virtual IP. (10.244.121.0). I tried modifying my script so that…
Mike
  • 2,633
  • 6
  • 31
  • 41
-1
votes
1 answer

Where to get accessToken form coinbase sandbox account..?

I am having account in sandbox.coinbase and I have used oauth2 where I have add new app. It'll provide me : clientid = 'xxxxxxxx' clientsecreateid = 'xxxxxxxxxxxxxxxx' authredirecturl = 'xxxxxxx' But when I am configure it using below…
Codebrekers
  • 754
  • 1
  • 11
  • 29
-1
votes
2 answers

How to get my current user_id ..?

I want to get user information using coinbase api. For that one I have found the coinbase curl usl which will provide me the user information. Curl Url : https://api.coinbase.com/v2/users/:user_id I have already registered my account in coinbase…
Codebrekers
  • 754
  • 1
  • 11
  • 29
-1
votes
1 answer

Splitting one bitcoin between two people

I am quite new to Bitcoins and have two questions. Lets say person A owns 1 Bitcoin. A wants to send .5 BTC to person B and .5 BTC to person C in a single transaction. Is this possible to do within one single transaction ? Later on if Person C…
jgm
  • 1,230
  • 1
  • 19
  • 39
-1
votes
1 answer

send payments to faucetbox

I have try to do my self this code to implement the automatic send bitcoin payments to faucet box but is some errors there I need help with. and it give me this error The bitcoinrotator.publiadds.org.pt page is not working…
helder ventura
  • 1
  • 5
-1
votes
1 answer

How to Generate N random numbers from a SHA-256 Hash

I'm working on a "provably fair" site where let's say X participants enter into a drawing and we need to pick first 1 overall winner, but then ideally we also want to pick N sub-winners out of the X total. (for the curious, the SHA-256 Hash will be…
p4x
  • 1
  • 1
-1
votes
1 answer

Display 30 Dollar Value IN Bitcoin from blockchain.info, File_Get_Conents no longer works?

I used to run code: In order to simply display how much 30 dollars in bitcoin is currently worth, I noticed this stopped working. When I visit the URL I get the…
Sandra Johansson
  • 85
  • 5
-1
votes
2 answers

Non-Bitcoin transactions on the Blockchain

I'm Interested in the application of non-financial transactions using the blockchain. I have read about Null Data (OP_RETURN) Transactions. These transactions allow up to 40 bytes of arbitrary data to be added onto a transaction to the blockchain,…
Calum
  • 104
  • 11
-1
votes
1 answer

I'can see balance in my Bitcoin-cli

I have a mini server for Bitcoind and simply wallet site. I can receive bitcoins... I can see tx in BlockChain. Everything is ok! But; I'm entering terminal; bitcoin-cli getbalance or bitcoin-cli getbalance mybitcoinadress Result…
Cihan Sancak
  • 1
  • 1
  • 1
1 2 3
…
99
100