Thanks for Ellie, Luca, Florian, and Ladislaus for all the feedback as well as the various teams who reviewed. Feedback is not necessarily an endorsement. SCOPE is a minimal protocol for push-based synchronous composability, enabling contracts on Ethereum and rollups to call each other and immediately process results as if they lived on a single chain. It supports all directions, L1↔L2 and L2↔L2, within a single atomic execution scope. A minimal proof of concept can be found here. Motivat...
