Celo is a blockchain ecosystem that aims to bring cryptocurrencies to the widest possible audience of smartphone users. They hope to use phone numbers as a public key to introduce cryptocurrencies to millions of smartphone owners, including those without access to the traditional banking system. As an integral part of decentralised finance (DeFi), the network also enables the creation of smart contracts and decentralised applications (DApps). The platform has two native tokens. CELO is a Proof-of-Stake (PoS) token used for transaction fees, participation in project management and related activities. In the future, the platform plans to introduce different stablecoins to complement the existing ones (Celo Dollar, Celo Euro, Celo Brazilian Real).