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Rootstock – Smart Contracts on the Bitcoin Blockchain

Introduction The Rootstock (RSK) platform represents one of those watershed moments in blockchain technology where an idea seems both revolutionary and obvious in hindsight. While Ethereum pioneered the concept of a decentralized, Turing-complete smart contract platform, Rootstock took a different approach by leveraging the existing Bitcoin ecosystem rather than creating an entirely new blockchain infrastructure. […]

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Bitcoin & Blockchain programming. Building Bitcoin on Linux

Introduction Building Bitcoin Core from source is an important step for developers who want to contribute to Bitcoin development or run their own fully verifying node. This guide walks you through the process of building Bitcoin Core (bitcoind) on a Linux system. Prerequisites Before we begin, ensure you have sufficient disk space (at least 500GB […]

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Bitcoin & Blockchain Programming. RPCs via Python

Modern Bitcoin Core Programming: A Complete Python Integration Guide Introduction Bitcoin Core’s RPC (Remote Procedure Call) interface provides a powerful way to interact programmatically with the Bitcoin network. While our previous tutorial focused on basic interactions, this expanded guide covers modern best practices, security considerations, and advanced usage patterns for 2024 and beyond. Prerequisites Bitcoin […]

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Code is Cruel generated criticism and discussion

Code is a place where people can talk about what they think. It is a place where people can talk about what they have read. Ethereum: What’s the fuss? This is a place where people can talk about what they like about the Ethereum Project. Below is the continuation of the conversation. The Current Situation […]

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Bitcoin & Blockchain Programming. RPCs via PHP

Connecting to Bitcoin Core via RPC using PHP This tutorial will show you how to communicate with bitcoind programmatically using RPC (Remote Procedure Call) in PHP. Prerequisites Make sure you have PHP installed on your system. You can install it using: sudo apt-get install php5 To verify your PHP installation: php –version Setup Required Components […]

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An Overview of MaidSafe’s SAFE Network – Secure Access For Everyone

Brief History MaidSafe is the only cryptocurrency project I know of that is older than Bitcoin. It started in 2006, raising 5 million dollars to fund a 14-person team working towards the goal of decentralizing the internet. [1] Since then, the project has had more face-lifts than an aging D-list celebrity. Last year they even […]

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Bloom Filters in Bitcoin SPV (Lightweight) Clients

Bitcoin lightweight clients are wallets that do not download and store the whole blockchain locally. Currently (Oct 2015), the Bitcoin blockchain is about 45GB and growing. Downloading the whole blockchain onto a smart phone makes no sense. Satoshi envisioned lightweight clients in the original whitepaper [1]. The whitepaper introduced Simple Payment Verification – a way […]

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Bitcoin & Blockchain Programming

It has come to our attention that there is a shortage of Bitcoin and Blockchain programmers. As a result we have decided to post a series of tutorials starting at the very beginning. We will download and set-up a full Bitcoin wallet and then we will proceed to go through all the commands and how […]

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Code is Cruel

Recent events at the Decentralized Autonomous Organization (DAO) are unfortunate Despite the gravity of the consequences; we, the cryptocurrency community, must be certain to proceed in a very thoughtful, prudent and deliberate manner. A reactive and emotional response will have a long lasting impact on the entire cryptocurrency community, including Bitcoin. I wish to offer […]

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Bitcoin Is No Paradise for Criminals

This brief article helps to clear up a common misconception about Bitcoin. Bitcoin is frequently portrayed as the chosen currency of crooks. There is no doubt that criminal activity has been associated with the Bitcoin ecosystem, but I would argue that cash is still king in the underworld. Jason Bloomberg writes in his recent Forbes […]