Welcome to the Arbitrum Portal, your gateway to the leading Layer 2 ecosystem built on top of the leading Layer 1 blockchain, Ethereum. The Arbitrum Portal provides an inclusive place for the Arbitrum and Ethereum communities.

The Arbitrum Odyssey is back, REIGNITED! In collaboration with Galxe, you’ll go through a 7-week excursion that’ll have you exploring some of the biggest communities in the Arbitrum ecosystem and collect custom badges.

On September 15 2023, the first Arbitrum DAO Security Council Election will take place! An overview of everything you need to know: what the Security Council is, how the Security Council elections work, and how to participate.