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.

Throughout this intermediate course you are going to learn about NFTs, contract development with Hardhat and how to build a React frontend with use-contractkit.

Celo Development 201

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

Build your own NFT Dapp based on what you learned in this course.

After finishing the Celo201 tutorial, I thought of how to apply what I have learned. I made a simple dapp that create tokens for watch collections. Users or watch companies can create a token based on their preference and have the ability to gift that token to another user.

With much help from dah_nny, I was able to add a few more functionalities to make it a full NFT marketplace with the ability to buy and sell and also gift NFTs that one owns. I enjoyed working on this project although it proved challenging. I appreciate everyone's feedback 🙂

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)

Celo Development 101

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

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

CeloBet is a decentralized lottery application where users pay as little as 1cUSD to play and can stand a chance to win 1000cUSD. Users are expected to guess a number between 1-100 and the winner is added to a list of winners. The admin then disburses the funds to the lucky winners. The generation of the random number is done on the Celo Blockchain. The aim of this DApp is to enable transparency and accountability in betting

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