Celo is a mobile-first blockchain platform that makes financial dApps and crypto payments accessible to anyone with a mobile phone. Celo enables native and non-native digital assets–both cryptographic and Central Bank Digital Currencies (CBDCs)–to circulate freely across devices, carriers, and countries. This makes money mobile, global and accessible like never before. 
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Celo’s Proof-of-Stake (PoS) consensus mechanism and automatic daily carbon offsets make Celo the world's first carbon-negative blockchain, offsetting over 2,285 tons of carbon to-date.

Celo is a mobile-first blockchain platform that makes financial dApps and crypto payments accessible to anyone with a mobile phone. Celo enables native and non-native digital assets–both cryptographic and Central Bank Digital Currencies (CBDCs)–to circulate freely across devices, carriers, and countries. This makes money mobile, global and accessible like never before. 

Celo - Crypto Made For Mobile

Square stores a reserve of Bitcoins in an offline setting. By having these funds offline, it reduces attack surface and risk of theft. Square's solution is unique, specifically, it leverages FIPS certified Hardware Security Modules (HSMs) to protect the private key material. Funds can be sent from online systems to the cold storage at any time. Moving funds out of cold storage requires a multi-party signing ceremony.

SubZero - Square's Bitcoin Cold Storage solution

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Celo - Crypto Made For Mobile

SubZero - Square's Bitcoin Cold Storage solution

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Celo - Crypto Made For Mobile

SubZero - Square's Bitcoin Cold Storage solution

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