Chainstack updates: September 30, 2026
On Arbitrum, Base, Arc, and Robinhood Chain, MEV protection is renamed to Optimized Submission.
Add-ons. On Arbitrum, Base, Arc, and Robinhood Chain, MEV protection is renamed to Optimized Submission. Nodes that had MEV protection enabled now have Optimized Submission enabled.
Last modified on October 1, 2026
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