The world of Web3 continues to evolve at a breakneck pace, and with it, the educational landscape is growing richer. Whether you’re a blockchain beginner or a seasoned dApp developer, the latest wave of Web3 tutorials released in 2025 delivers new tools, frameworks, and real-world integrations worth exploring.
In this article, we’ll break down some of the most exciting new tutorials and walkthroughs shaping the future of decentralized app development.
🛠️ 1. Build a Full-Stack dApp with Ethereum, Next.js & RainbowKit
Tutorial Summary:
This tutorial walks through building a modern full-stack dApp using Ethereum smart contracts (Solidity), RainbowKit for wallet integration, and Next.js for the frontend.
Why It’s Great:
- Uses wagmi and RainbowKit, offering a seamless Web3 wallet UX.
- Covers smart contract deployment with Hardhat.
- Teaches how to interact with contracts via Ethers.js in React components.
Takeaway:
Perfect for React developers looking to jump into Web3 with minimal friction.
🧱 2. Create a Web3 Social Media Platform with Lens Protocol
Tutorial Summary:
This hands-on guide demonstrates how to build a decentralized social media app using the Lens Protocol, which provides user-owned profiles and graph-based social features.
Why It’s Great:
- Offers a modular SDK for profiles, follows, and content.
- Implements IPFS via web3.storage for decentralized media hosting.
- Integrates authentication with Sign-In with Ethereum (SIWE).
Takeaway:
An ideal intro to building on Lens, with emphasis on decentralized identity and social graphs.
📚 Tutorial link (via Lens Docs)
🐍 3. Solidity + Foundry Crash Course (2025 Edition)
Tutorial Summary:
Foundry has emerged as the new favorite for Solidity development. This updated 2025 crash course covers contract writing, testing, and fuzzing with blazing speed.
Why It’s Great:
- No JavaScript: purely Rust-based toolchain for smart contract devs.
- Includes tutorial on Forge, Cast, and Anvil.
- In-depth explanation of cheat codes and deployment scripts.
Takeaway:
A must-know toolchain for low-level smart contract engineers.
🌉 4. Cross-Chain dApp Tutorial using LayerZero + React
Tutorial Summary:
This tutorial guides you through building a cross-chain messaging app using LayerZero and React, demonstrating how to transfer messages or tokens across chains like Ethereum and Arbitrum.
Why It’s Great:
- Covers ultra-relevant cross-chain architecture.
- Explains how to use LayerZero’s OFTs (Omnichain Fungible Tokens).
- Includes contract deployment and frontend integration.
Takeaway:
Cross-chain is the next big frontier. This tutorial helps you future-proof your skills.
📚 Tutorial link (LayerZero Community GitHub)
🧠 5. AI Meets Web3: Build an NFT Chatbot Using OpenAI + IPFS
Tutorial Summary:
An emerging hybrid use-case shows how to create an NFT-based chatbot using OpenAI’s API and IPFS-hosted metadata.
Why It’s Great:
- Explores AI + NFT interaction.
- Uses smart contracts to mint metadata that powers chatbot personalities.
- Demonstrates how to pin IPFS files and load them dynamically.
Takeaway:
AI x Web3 is not just a buzzword—it’s a creative coding playground.
📚 Community Tutorial on Dev.to
Final Thoughts
Web3 development in 2025 is maturing with better tooling, cleaner onboarding, and more interdisciplinary use-cases. Whether you’re building a DAO dashboard, integrating decentralized storage, or exploring cross-chain ecosystems, these tutorials offer up-to-date insights and practical skills.
Pro Tip: Don’t just follow tutorials—fork them, break them, and remix them. The best way to learn Web3 is to build Web3.
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