What is lungfish-web3-starter?
The Lungfish Web3 Starter (Layer0 – Free Tier) is a clean, minimal, and production-ready backend starter designed for developers looking to build Web3 applications quickly and correctly. Built with Spring Boot 3.3.x, Java 17, and Web3j, this starter provides a solid foundation for any Ethereum-based backend, while also preparing your project for future multi-chain support (BTC, TRON, and more).
Problem
Developers building Web3 applications manually set up complex backends with Spring Boot and integrate Web3 components, facing time-consuming boilerplate coding and lack of multi-chain readiness.
Solution
A production-ready backend starter kit (Spring Boot 3.3.x + Java 17 + Web3j) enabling developers to skip infrastructure setup and focus on building Ethereum-based apps, with future multi-chain (BTC, TRON) support.
Customers
Web3 developers, blockchain startups, and Ethereum-based project teams needing rapid backend deployment.
Unique Features
Preconfigured Java/Spring Boot stack for Web3, Ethereum integration via Web3j, modular architecture for multi-chain expansion, and open-source scalability.
User Comments
Saves weeks of setup time
Clean codebase for customization
Java compatibility is a plus
Free tier lowers entry barrier
Eagerly await multi-chain updates
Traction
Launched on ProductHunt with 500+ upvotes (exact metrics unspecified), positioned as Layer0 free-tier solution for Web3 infrastructure.
Market Size
The $7.18 billion blockchain development market (2022) drives demand for Web3 infrastructure tools.
