What is Robin Hood chain?

Robin Hood chain is a Layer 2 blockchain on Ethereum, tracked by user operations per second as a usage metric. As of July 2026, it had flipped Base in user operations per second, per David Hoffman.

• Jul 2026 - David Hoffman reported that Robin Hood chain usage flipped Base on July 10th, with 117 user operations per second versus 93 on Base.
• Jul 2026 - Ryan Sean Adams suggested that a critical bug in Robin Hood chain should be treated as an Ethereum vulnerability, triggering an L1 fork.