Understanding the Bitcoin handshake using Rust
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A few days ago, I had a brief technical chat with a friend who finds the world of distributed systems fascinating, regarding the Bitcoin handshake process. Although our conversation initially…
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The King is Dead. Long Live the King. (Truffle, Ganache & Hardhat)
ConsenSys announces the end of Truffle and Ganache, and the arrival of Hardhat. In a significant move in the Ethereum development ecosystem, ConsenSys has officially announced the end of life…
What is a zk-Rollup? A little example in Rust
A zk-rollup is a Layer 2 scalability solution for blockchains that leverages zero-knowledge proofs (ZK) to efficiently process transactions off-chain. By doing so, it reduces the computational load on the…
Design Patterns in Smart Contracts. Part 1.
Smart contracts are self-executing programs that run on the blockchain, with the terms of an agreement directly written into code. As with any software development, applying well-established design patterns to…
Thomas Edison Would Have Thought of Blockchain
Thomas Edison was one of history’s greatest inventors — a man who understood that invention is not just about having a great idea, but about relentlessly iterating, failing, learning, and…
The Hobbit to Blockchain. An Unexpected Journey.
“In a hole in the ground there lived a hobbit…” So begins Tolkien’s famous tale, and much like Bilbo Baggins who was dragged on an unexpected adventure, many of us…
The DAO. Understanding the Attack ;-)
In June 2016, the Ethereum ecosystem experienced one of its most dramatic and consequential events: the hack of The DAO. This event shook the community to its core, led to…
The Ethereum Whitepaper: An Overview
The Ethereum Whitepaper, written by Vitalik Buterin in late 2013, is one of the most important documents in blockchain history. It outlined a vision for a blockchain platform that went…
New Book: Bitcoin. A Complete Guide to the Currency of the Future
I’m excited to announce a new book about Bitcoin that provides a comprehensive overview for both beginners and those looking to deepen their understanding of cryptocurrency. About the Book Bitcoin:…
Building a Basic Blockchain in Python. Part 2.
In Part 1, we built a basic blockchain with blocks, hashing, and chain validation. In this second part, we add Proof of Work mining and a transaction system. Proof of…