← Back to home

INFRASTRUCTURE Projects: 30+ Blockchain Examples

Browse 30+ open-source blockchain INFRASTRUCTURE projects from ETHGlobal hackathons. Find production-ready code, learn from winning implementations, and discover inspiration for your next blockchain build.

Infrastructure projects focus on building the foundational tools, protocols, and services that power the blockchain ecosystem. These include scaling solutions, developer tools, and core protocols.

Showing 30 projects sponsored by CELO.

Identifi

A Web3 identity app enabling users to verify age and humanity using Worldcoin and Self Protocol.

Next.jsdaoinfrastructuregamingsocialprivacy
🏆 World Pool Prize (World)🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

Ronda

Collective crypto savings via weekly ROSCAs in Farcaster mini-app.

Rustinfrastructure
🏆 Best MiniApp on Celo3rd place (Celo)🏆 Best Self onchain SDK integration3rd place (Self)
ETHGlobal Buenos Aires • 2025

MemestCutestPlatform

A gamified cross-service based MCP platform in a TEE to unify dApps and Web2 apps

ReactTypeScriptNext.jsdefiinfrastructuregamingprivacy
🏆 Integrate Fusion+ into your project2nd place (1inch)🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

Nitro Team

Chain Abstraction ledger layer for high-performance applications

TypeScriptnftinfrastructure
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

Calary

Calary: Compliance toolkit empowering killer consumer dApps with on-chain payroll, swaps & rewards.

Soliditydefinftinfrastructureprivacy
🏆 Celo L2 Pool Prize (Celo)🏆 Uniswap v4 Hook IntegrationsRunner Up (Uniswap Foundation)
ETHGlobal Taipei • 2025

Hoja

A food order platform where only paying customers can leave reviews, ensuring authenticity.

infrastructure
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

CupFi

Save the planet, one sip at a time—get rewarded for using your reusable cup!

definftinfrastructureprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

Trusted-Jobs

Onchain job platform with Self Protocol-based compliance checks and escrowed smart contract rewards.

SolidityRustNext.jsNode.jsinfrastructureprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

fortun3.guru

A decentralized, AI-powered horoscope engine that turns your blockchain data into prophecy.

SolidityReactnftinfrastructure
🏆 World Pool Prize (World)🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

BadGuy buy gas

BadGuy is a multi-chain gas dealer protocol and enabling gas providers earn profit.

defiinfrastructure
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

buy4me

This app uses Self protocol for identity verification and delegation

Next.jsnftinfrastructure
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025

Register Yo Self

Self-service identity verification powered by Self for quicker and smoother registration process

infrastructuresocialprivacy
🏆 Celo L2 Pool Prize (Celo)
ETHGlobal Taipei • 2025
Page 1 of 3 • Showing 12 of 30 projects