optimistic-rollups

Arbitrum Orbit is a framework that allows developers to create custom Layer 2 or Layer 3 blockchain networks using Arbitrum's battle-tested Nitro technology stack, offering dedicated throughput, EVM+ compatibility, and flexible governance while maintaining Ethereum security.

Arbitrum is an Ethereum Layer 2 scaling solution using optimistic rollups that enables faster transaction processing and significantly lower gas fees while maintaining Ethereum's security guarantees.