Celo SDK

Innovative tools to build native mobile dApps

Documentation

Learn about the SDK and how it works

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Tutorials

Get started, learn how to deploy contracts, and more

Get Started

Code

Read and contribute to the SDK codebase

View on GitHub

Try it Out

Sample Celo Integration

This code snippet uses an account to transfer cUSD.

Try out the Code

Full Stack Approach

Celo Layers of Technology

Each layer of the technical stack is designed to meet mobile user needs.

Applications

Send or Request cUSD easily with anyone in your address book, powered by decentralized phone number verification

Non-custodial wallet
Mobile ultralight client
Exchange between cUSD and cGLD
QR Code Support
Mobile first SDK

Install Wallet

See Code

Core Contracts

Designed to support an ecology of stable value currencies. The first stablecoin, cUSD, tracks the value of the US Dollar.

Algorithmic reserve-backed stabilization mechanism
Crypto-asset collateralized
Native support for multiple stablecoins

See Code

Blockchain

Open source smart contract platform built on decentralized infrastructure.

Proof of Stake based consensus with high throughput, low latency, and zero carbon
Incentives for serving mobile devices
On-chain governance

See Code

Browse the Code

Explore and contribute to the Celo codebase

View On Github

Platform Features

Stable Value Currencies

Native support for multiple ERC20-like stable currencies.

Phone Number Public Key Infrastructure

Mapping of phone numbers to addresses to facilitate user experience.

On-chain Governance

Protocol changes managed via on-chain governance.

Self Custody

Users have access to and control of their account secret keys.

Proof of Stake

Permissionless consensus algorithm running on decentralized infrastructure.

Very Fast Sync for Ultra-light Clients

Block headers optimized for fast mobile phone synchronization.

Gas Payable in Multiple Currencies

Option to pay transaction fees in stable currency.

Programmable (Full EVM Compatibility)

Programmable smart contract platform compatible with Ethereum Virtual Machine.

Extend & Enrich the Ecosystem

Get Involved

Alfajores Testnet

Try out the Celo Protocol and Celo Wallet. Build dApps for the Celo platform.

Get Wallet

Add Alfajores Funds

Top up your wallet on an existing Testnet account

Get Funds

Documentation

Learn about the technology behind the Celo Protocol & Celo Wallet

Read Documentation

Contribute To Celo

There are a variety of resources to support contributions to Celo, including: grants, security bounties, an Ecosystem Fund, fellowships, and more.

Get Involved

Code of Conduct

Shared norms and behaviors are the foundation of a beautiful community. Please read and respect our code of conduct.

Read Document

Experience

Brand Toolkit

Design with Celo

Engage

Contribute to the codebase

Discord

Collaborate and get developer support

Forum

Ask technical questions

Events

Connect in Person

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Nothing herein constitutes an offer to sell, or the solicitation of an offer to buy, any securities or tokens.