Arbitrum co-founder explains licensing trick that prevents Robinhood Chain from forking code and keeping all the fees

What happened

A 'community source' license forces chains built on Arbitrum's stack to share 10% of net revenue with the ecosystem, and Robinhood Chain is already proving the model works Wed 9 Sep 2026 · 11:34 EDT · 3 min read In Technology Most open-source software operates on a simple.