Top "Bitcoin" questions

Javascript Websocket Subscribe to Channel

I am trying to subscribe to channel using native WebSocket in vanilla javascript (without using any library) [as I have …

javascript websocket bitcoin subscribe

Redux: How to add item to Array, and return Array with all items added

I'm using Redux in my React App, currently only have 1 reducer at the moment for a Portfolio of cryptocurrencies. Just …

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Python: Real-Time Streaming Data

I am trying to capture real-time streaming financial time data via Python. I want to initially store the information in …

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(bitcoin) Calculate hash from getwork function - how to do it?

when I call getwork on my bitcoind server, I get the following: ./bitcoind getwork { "midstate" : "695d56ae173bbd0fd5f51…

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How to check Bitcoin address balance from my application?

How do I check a balance of a Bitcoin address (any, not necessarily mine), let's say in a Java application (…

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Query LOCAL Bitcoin blockchain with C# .NET

I am trying to check the balance of a given Bitcoin address by using ONLY the locally stored blockchain (downloaded …

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Generating Bitcoin address from ECDSA Public Key

I'm writing simple code in C++ using OpenSSL to generate valid bitcoin address - private key pair. I'm using this …

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What's the difference between distributed hashtable technology and the bitcoin blockchain?

This question could go into a bitcoin forum but I am trying to understand from a programming point of view. …

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Canceling a Bitcoin transaction

I am writing a bitcoin app and looking to implement a 'cancel' feature. All over reddit are references that if …

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Regular expression for base 58 private key?

I'm looking for a regex that will validate a base 58 bitcoin private key. I found this one for public addresses: /^[13…

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