ethereum/kohaku-commons
Feb 2026 – Mar 2026
2 Months active
Languages Used
SolidityJavaScriptTypeScript
Technical Skills
EthereumSolidityblockchain developmentsmart contract developmentAPI developmentJavaScript
Simon Jentzsch
PROFILE
Simon Jentzsch
Over a two-month period, this developer contributed to ethereum/kohaku-commons, ethereum/kohaku-extension, and NethermindEth/nethermind by building features focused on blockchain privacy, security, and maintainability. They enhanced Kohaku Wallet to simulate multiple transactions, supporting robust on-chain privacy testing, and upgraded dependencies to improve stability. In Nethermind, they refactored the Ethereum RPC module to enable state-specific access lists using CreateAccessList with stateOverride, incorporating unit tests for reliability. Security was strengthened in kohaku-commons by enforcing Colibri verification and EIP-1193 compliance. Their work demonstrated proficiency in JavaScript, Solidity, and TypeScript, with a strong emphasis on backend development and unit testing.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
5Total
Bugs
1
Commits
5
Features
4
Lines of code
509,122
Activity Months2
Your Network
114 peopleWork History
March 2026
3 Commits • 2 Features
Mar 1, 2026March 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.
3 Commits • 2 Features
Mar 1, 2026March 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
February 2026
2 Commits • 2 Features
Feb 1, 2026February 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
2 Commits • 2 Features
Feb 1, 2026February 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.
Activity
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Quality Metrics
Correctness92.0%
Maintainability84.0%
Architecture88.0%
Performance84.0%
AI Usage32.0%
Skills & Technologies
Programming Languages
C#JavaJavaScriptRubySolidityTypeScript
Technical Skills
API developmentAndroid developmentEthereumJavaScriptNode.jsReactSolidityTypeScriptbackend developmentblockchain developmentdependency managementfront end developmentfull stack developmentsmart contract developmentunit testing
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
ethereum/kohaku-extension
Feb 2026 – Feb 2026
1 Month active
Languages Used
JavaJavaScriptRubyTypeScript
Technical Skills
Android developmentNode.jsReactfront end developmentfull stack development
NethermindEth/nethermind
Mar 2026 – Mar 2026
1 Month active
Languages Used
C#
Technical Skills
API developmentbackend developmentunit testing