Friday, March 7, 2025

New Partnership with Optimism: Open-Source Debugger and Simulator for the Superchain

@romanmazur

Optimism and the Superchain are some of the fastest-growing ecosystems in blockchain. We’re excited to announce a new partnership between Walnut and Optimism to bring open-source debugging and simulation tools to this fast-moving environment.

With teams like Base, Kraken, World, Sony and many others building on Optimism, the developer ecosystem is growing fast—millions of users, dozens of rollups, and an increasingly complex stack.

As the network expands, the need for robust debugging becomes critical. Today, most options are closed-source, expensive, and not designed for local workflows.

Debugging isn’t flashy—but it’s essential. Making it open-source knocks out one of the highest-friction, highest-cost elements of building for new and even veteran developers.

— jackanorak

Walnut is stepping in to address that. We’re building an open-source debugger and simulator for the Superchain—built to be run locally, fully automatable, and easily customized for any chain.

If you’re building infrastructure or apps on the Superchain and want better devtools—let’s talk.

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