This page may contain stale information. Last updated: 2026-07-04
Definition
Arbitrum Orbit is Offchain Labs’ framework for launching dedicated Layer-2 blockchains on the Arbitrum stack. Chains inherit Ethereum security via blob data availability while offering customizable throughput, gas tokens, and governance for application-specific deployments.
Key Points
- Launch-and-migrate pattern: Validate on Arbitrum One, migrate to dedicated Orbit chain as product scales (robinhood-chain followed this path)
- 2026-07-01: robinhood Chain mainnet — 30+ dedicated chains on Arbitrum Platform
- EVM-compatible; ETH native gas; Ethereum blob DA
- Used for tokenized RWAs, DeFi, and institutional fintech infrastructure