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What’s Happening at Walnut

All the latest Walnut news, straight from the team.

Friday, May 2, 2025
@romanmazur

Debugging and Transaction Simulations Are the Most Requested Features by Blockchain Developers

Starknet is an ecosystem that made a bold decision: it launched with its own custom language—Cairo. That means, among other things, it had to build everything from scratch. Cairo devs couldn’t rely on any of the existing blockchain tooling available for Solidity, Ethereum, or other blockchain ecosystems.

Monday, April 28, 2025
@romanmazur

New Partnership with Arbitrum: Advancing Debugging for the Solidity MultiVM

Walnut Labs is partnering with Offchain Labs—the team behind Arbitrum—to improve the debugging experience across the Arbitrum stack. This effort is part of our broader mission to bring modern debugging and monitoring tools to emerging rollup ecosystems.

Friday, March 7, 2025
@romanmazur

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

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.

Tuesday, February 11, 2025
@romanmazur

Walnut Labs Selected as Core Maintainer of Madara Documentation — Official Appchain Stack on Starknet

We’re excited to announce that Walnut Labs, the team behind Walnut, has been selected as the core maintainer of the official Madara Documentation.

Tuesday, January 14, 2025
@marijamijailovic

Deep Dive into Starknet Transaction Call Trace

On Starknet, every transaction represents the execution of a Cairo program, uniquely identified by a transaction hash. A Call Trace offers a detailed breakdown of each execution, capturing invoked functions, arguments, and outputs—making it an essential tool for understanding transaction behavior.

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