ChatBuddy — Decentralized Chat Application on Ethereum (Full Project Overview)

Description

🚀 In this video, I showcase ChatBuddy — a fully decentralized chat application built on Ethereum. This Web3 messaging app stores every account, friendship, and message directly on the blockchain. There are no servers, no databases, and no central authority — everything is powered by smart contracts and your wallet. 🔹 Features • On-chain user profiles • Friend system using wallet addresses • One-to-one decentralized messaging • Live notifications using Solidity events • Profile page with deterministic avatar • Username update functionality • Clean error handling • Toast notification UI 🔹 Tech Stack Solidity Next.js ethers.js v6 Hardhat MetaMask React 🔗 GitHub Repository https://github.com/nadiasupti/Blockchain-Chat-App If you enjoyed this project, feel free to like the video and share your feedback in the comments! #Web3 #Blockchain #Solidity #Ethereum #NextJS #DApp #React #Hardhat