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This article walks through setting up a local Ethereum testnet using Ganache, configuring a Java project with Web3j, and implementing code to query the network and perform a signed Ether transfer, providing step-by-step instructions, code snippets, and screenshots for beginners.
This article provides a thorough overview of Web3.0, covering its evolution from Web1.0 to Web3.0, core blockchain concepts, NFTs, DAOs, gas fees, and presents a practical, step‑by‑step tutorial for building, testing, and deploying a decentralized application (DApp) using Solidity, Truffle, Ganache, and MetaMask.
This tutorial walks through creating a decentralized voting application on Ethereum using Solidity contracts, Ganache for local blockchain simulation, Web3.js for RPC interaction, and Truffle for compilation, migration, and front‑end integration, covering setup, contract code, deployment, and both console and web UI interactions.