Today’s the day! We’ve opened up Arbitrum One for everyone and couldn’t be more excited to welcome you in! Today’s the culmination of years of work, but in many ways it’s just the beginning. Our vision of scaling Ethereum has been years in the making, but it’s today that we…

Arbitrum mainnet beta has launched for developers. What comes next? Read on.

Arbitrum has — — actually, wait. We’ll get to us in a second, but first let’s talk about you, our amazing community. You’re incredible. We’ve been blown away by your support and both humbled and honored that so…

Offchain Labs

We’re Building Arbitrum, a scaling solution for Ethereum. Learn more at and

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