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Nov 16, 2016 · Blockchain

From Bitcoin Basics to Ethereum Smart Contracts: A Hands‑On Guide

This article introduces blockchain fundamentals, explains Bitcoin and its protocol, compares public, private and consortium chains, then dives into Ethereum 2.0 concepts, consensus mechanisms, and provides a step‑by‑step tutorial for building a local test network, compiling geth and solc, and deploying a simple Solidity contract.