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Polkadot Solidity

CODECAMP
2026

BUILD ONCE. SCALE EVERYWHERE
Feb 15, 2026 - Mar 24, 2026

A 4-week online hackathon designed to discover and accelerate the most promising Web3 builders on Polkadot

Start LearningExplore Challenges
Made possible by
OpenGuild×Web3 Foundation×Polkadot
Learn & Build

Workshop Topics

Learn from industry experts through comprehensive workshops covering everything from basics to advanced topics in Polkadot development.

01

Introduction to Polkadot Solidity

Walk through the hackathon information and process that hackers need to follow. Reference Polkadot Builder Playbook. General introduction to Polkadot Solidity: developer ecosystem and guidance.

Video
Slides
02

Build on Polkadot: Narratives, Resources and Growth

Learn how to maximize community resources to build on Polkadot and narratives to focus on.

Video
Slides
03

EVM on Polkadot, Toolings and Development Setup

Walk through dual VM's technical design and step-by-step guidance to set up the local development environment with DevContainer, Foundry, Hardhat and Scaffold DOT.

Video
Slides
04

Cross-chain DeFi Primitives

Introduction to XCM and Hyperbridge SDK. Walk through cross-chain DeFi use cases with the Bifrost team.

Video
Slides
05

Walk through Polkadot Grant Ecosystem

Guide the builders about the grant ecosystem and how to write a good proposal. Compares the good / bad proposals and points out tips and tricks to write a good proposals.

Video
Slides
Hands-On Practice

Coding Challenges

Put your skills to the test with hands-on coding challenges. Build real-world applications and deploy them on Polkadot.

Advanced

Cross-chain Solidity Smart Contract with XCM + Hyperbridge

Walk through XCM and Hyperbridge and how to use them on the smart contract side. Learn to build cross-chain applications that communicate across different parachains.

Deliverables: Deploy a cross-chain smart contract using XCM and Hyperbridge on Polkadot testnet

View on GitHub
Intermediate

Building a Polkadot AI app with Polkadot Agent Kit

Using the polkadot-agent-kit tool to build AI-powered cross-chain applications. Integrate AI capabilities with Polkadot blockchain functionality.

Deliverables: Coding challenge repo with tests + template setup. Builders need to deploy a new agent built using the agent kit

View on GitHub
Beginner

Full-stack development with Scaffold DOT

Guide participants to build and deploy a full-stack Polkadot application using Scaffold-DOT and deploy on Polkadot testnet. Build modern web3 interfaces quickly.

Deliverables: Functional application built on top of Scaffold DOT - add new features on top of the boilerplate and deploy

View on GitHub
Advanced

Building a Uniswap V2 DEX on Polkadot

Give reference to the existing Uniswap V2 contracts and guide users to build a Uniswap V2 DEX with UI + contracts. Create a fully functional decentralized exchange.

Deliverables: Coding challenge repo with tests + template setup. Builders need to complete the Uniswap V2 contract and deploy on testnet with UI (can reuse the Scaffold-DOT)

View on GitHub
Got Questions?

FAQ

Find everything you need to know about Polkadot CodeCamp. Can't find what you're looking for? Reach out to us!

Polkadot CodeCamp is a comprehensive learning program designed to help developers learn to build on the Polkadot ecosystem through hands-on workshops and coding challenges. Whether you're new to blockchain or an experienced developer, our program provides the resources and guidance you need to build production-ready applications.