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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.

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How to get the historical data from bitfinex.com with out a limit?

I am drawing a chart using the data pulled from bitfinex.com via a simple API query. As the result, i will need to render a chart which is going to show the historical data of BTCUSD for the past two years. Docs are available right here:…
Diego Slinger
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Shopify Number of Decimals

I want to set up a shopify shop that only accepts Bitcoin. Only thing missing at the moment is that all currencies are only displayed with two decimals. This doesn't work for Bitcoin and I am looking for a solution to show more decimals. Did anyone…
nino
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Coinbase error for php SDK: you have not filled out your merchant profile

I am trying to use the Coinbase API for bitcoin but when using the php SDK for coinbase to connect to the API I get the following error: "validation_error","message":"You have not filled out your merchant profile. Please enter your informat…
Sagar Chapagain
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Why the nonce is difficult to find in Bitcoin?

I read many articles explain the Bitcoin POW, but every article seems copy form each other. they just indicate find a nonce start from 1, but I still confused why find a nonce number is so difficult? I know the hash value must lower than the target…
user1028886
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TransactionId in Blockchain and Bitcoin

Hello dear all friends, I am very newbie about Blockchain and Bitcoin. I am struggling to learn from book and example sources. Do I have to fill in the transactionId value before sending the coin? If so, why? I think transactionId should appear at…
Sidha Prusha
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How to create your own wallet

I am a newbie to cryptocurrency. I want to create my own wallet (preferably using node js), so can someone please help me in the process. Also, how mining will work in the same case? Thanks in advance
Abc123
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Understanding basic websocket API with node.js and "ws"-package (API: bitfinex)

I'm trying to figure out basic websocket communication using node.js, the "ws"-package (which seems to be a very popular websocket package from npmjs.com) and the bitfinex.com (a cryptocurrency exchange) websocket API. I want to read the public…
oystersauce
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Configure error: libevent not found on Mac OS Sierra

I am trying to compile bitcoin library and it throws this error checking for mismatched boost c++11 scoped enums... mismatched checking for SSL... yes checking for CRYPTO... yes checking for EVENT... no configure: error: libevent not found. i did…
pbu
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How to check a Bitcoin wallet balance from first generated address (m/44'/0'/0'/0/0)

Is there a way to check a wallet balance from the 1st generated address (parent address) not knowing the child addresses? Need to do it automatically from Linux (API-style) not copy-paste in browser. Parent address:…
bsteo
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Bitcoin library function with strange behavior

Hi everyone and thanks in advance for spending your time here. So I got this .cpp file that output the following: Cipher = (Bunch of strange caracters) Decryp = Allo mon coco So everything is fine... but if I swap the third commented line on top…
Gabriel Proulx
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Error Getting Address from GetAddress - Trezor Development

I'm building a C# HID library for the Trezor. It's working well. I'm able to get past the pin entry and retrieve my xpub, and I can get addresses. However, none of the addresses that are getting returned match any of my addresses in the Trezor…
Christian Findlay
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Osxcross building invalid operand error

I'm attempting to build Slimminer which is based on cpuminer with osxcross on Linux. I configured it with: CC=o64-clang CXX=o64-clang++ ./configure ---host=x86_64-apple-darwin10.11 which configures it with no errors. I am attempting to make it…
malpoboy
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How to accept Bitcoin and USD payments using Stripe?

REFERENCE: https://stripe.com/docs/sources/bitcoin QUESTION: I am trying to integrate Bitcoin payments to my code using Stripe. From my understanding of the docs, I should create a Source object by creating a new form and on submit feed the data…
TheProgrammer
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Total coin supply, how it works, and what the code means?

I am currently studying the bitcoin and litecoin to try and get a better understanding of cryptocurrencies, and blockchains in general - and I have spotted something in the code that I have a question about. in src/amount.h - I see the following…
MickeyThreeSheds
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Calculate checksum bitcoin on lost bitcoin private key

This is my story: Several years ago I splitted my bitcoin private key to keep it safe in different places. I lost one part and think I lost my mined bitcoin forever. Suddenly (I think you understand why) I decided to start searching for any parts…
B1tco1nNewb1e
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