
Simon contributed to the ethereum/kohaku-commons and NethermindEth/nethermind repositories, focusing on stability, security, and privacy in blockchain workflows. He upgraded dependencies and refactored core modules to support state-specific access lists, using TypeScript and JavaScript for backend and API development. In kohaku-extension, Simon implemented transaction simulation features to enhance on-chain privacy testing. His work included security hardening of Colibri RPC by enforcing stricter verification and EIP-1193 compliance, as well as comprehensive unit testing to validate new behaviors. Simon’s engineering demonstrated careful architectural alignment, robust dependency management, and a focus on maintainability across both smart contract and full stack development.
March 2026 monthly summary focusing on delivered value and technical achievements across Nethermind and Kohaku Commons. Key work delivered includes an Ethereum RPC feature enabling state-specific access lists via CreateAccessList(stateOverride), security hardening of Colibri RPC, and a dependency upgrade to keep libraries up-to-date. The work emphasizes business value through precise access control, improved security posture, and maintainability, while showcasing architectural refactoring and robust testing.
March 2026 monthly summary focusing on delivered value and technical achievements across Nethermind and Kohaku Commons. Key work delivered includes an Ethereum RPC feature enabling state-specific access lists via CreateAccessList(stateOverride), security hardening of Colibri RPC, and a dependency upgrade to keep libraries up-to-date. The work emphasizes business value through precise access control, improved security posture, and maintainability, while showcasing architectural refactoring and robust testing.
February 2026 performance summary focused on delivering stability and testing capabilities across two core Kohaku repos. Achievements centered on dependency stability in kohaku-commons and enhanced on-chain privacy testing workflows in kohaku-extension, with cross-repo alignment to support end-to-end flows.
February 2026 performance summary focused on delivering stability and testing capabilities across two core Kohaku repos. Achievements centered on dependency stability in kohaku-commons and enhanced on-chain privacy testing workflows in kohaku-extension, with cross-repo alignment to support end-to-end flows.

Overview of all repositories you've contributed to across your timeline