Scroll claims to be the first zero-knowledge rollup to achieve Stage 1 decentralization with its Euclid upgrade, joining other leading L2s like Arbitrum and Optimism.

Quotes that support claims

Only Arbitrum and Optimism were at that stage. Since then, Unichain, Ink, and Kinto have joined them

Scroll claims to be the first zero-knowledge rollup to reach stage 1