Learn about key concepts and how to write smart contracts and Dapps on Celo.

Celo Community

In this community, you will learn important Celo concepts, write smart contracts in Solidity, and build dapps on the Celo blockchain.

Build your own Celo Dapp based on what you learned from the materials.

Celo Development 101

Learn smart contract development and build a Dapp on Celo.

This course is for everybody who wants to get started with blockchain development. You will learn how to write smart contracts in the most popular smart contract language solidity, and how to build decentralized applications on Celo. You will receive feedback on your code by your peers and you will be able to earn money for building an application and giving feedback to your peers. This course is a great start for your blockchain developer career.

Why should I do this course?

You can earn cUSD for making a successful submission to the challenge of the course and for giving your peers valuable feedback on their submissions. The cUSD token has the same value as the dollar price, it can easily be swapped to Celo token via a decentralized exchange like <a href='https://ubeswap.org'>Ubeswap</a> and then be traded on all popular exchanges. In order to receive the cUSD rewards, you will need to set up a wallet. The wallet account will show your account address and you can input this to your profile page on Dacade. For Celo, we would encourage you to use the <a href='https://valoraapp.com/'>Valora</a> wallet.

How and what can I earn in this course?

Celo is a mobile-first blockchain platform that makes it easy to develop financial dApps and to make crypto payments. It has a similar technology to the Ethereum blockchain but with much lower fees and tools that improve the user experience. A great place to learn more about Celo, are the learning materials in the <a href='https://celo.org/developers'>Developers</a> wallet section on the Celo homepage. If you should have technical questions we can recommend you to visit the <a href='https://t.me/celoplatform'>Celo Telegram</a>, or the <a href='https://discord.com/invite/6yWMkgM'>Celo Discord</a> groups.

Why should I learn to build on Celo?

Give your feedback on other learners' submissions to earn tokens, learn more and grow your reputation in the community. Connect with like-minded people in our community and build projects together. You can apply at: <ul> <li><a href='https://www.celocamp.com/'>Celo Camp</a>, an accelerator you could apply to receive funding for your blockchain project.</li> <li><a href='https://gitcoin.co/hackathon/mobile-celo?'>Hackathons</a>, organized by Celo and Gitcoin.</li> <li>The <a href='https://medium.com/celoorg/founder-in-residence-announcement-d6a99303eab0'>Founder in Residence</a> program from Celo.</li> </ul>

What can I do after completing the course?

In this community, you will learn about Celo and build a marketplace DApp on top of the Celo blockchain.(2)

In this chapter, we are explaining the Celo blockchain and its unique advantages.

In this video, you will learn about Celo’s mission.

Youtube Video by Celo

Celo Mission Video

In this article, you will learn basic Celo concepts.

Article by Celo

Introduction to Celo

In this article, you will get an overview of the Celo technology.

Celo Overview

What is Celo?

In this chapter, you will learn how to write a smart contract in the popular smart contract language Solidity and deploy it to the Celo blockchain.

Smart Contract Development

In this chapter, you will learn how to build the user interface of your DApp, connect it to your smart contract and host it on GitHub.

Building the Frontend of the DApp

Explore the DApp that you are going to build: <a href='https://github.com/dacadeorg/celo-marketplace-dapp'>Marketplace Web DApp Repository</a>

In this trailer, we will show you what you will learn in this course.