> Markdown version of [/@ben-greenberg](https://www.wearedevelopers.com/@ben-greenberg). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Ben Greenberg DevRel at Arbitrum helping developers build smart contracts and AI search with familiar tools. ## About Ben Greenberg helps engineers build on-chain software with tools they already know. As a developer relations engineer at Arbitrum, he focuses on making blockchain development and AI search approachable. He teaches teams how to write smart contracts using WebAssembly and Rust instead of learning niche languages from scratch. Ben also explores how to decode vague user queries using vector databases like Couchbase. Across the web, he goes by the handle hummusonrails, a nod to his roots in Ruby. ## Past Sessions ### World Congress 2025 路 July 9, 2025 Berlin, Germany - [A Hands-On Guide to Writing Smart Contracts Like You Write Software](https://www.wearedevelopers.com/events/world-congress-2025/sessions/461-a-hands-on-guide-to) 路 120 min - [How to Decipher User Uncertainty with GenAI and Vector Search](https://www.wearedevelopers.com/videos/1612-how-to-decipher-user-uncertainty-with-genai-and-vector-search) 路 30 min 路 馃帴 Watch recording ## Videos - [How to Decipher User Uncertainty with GenAI and Vector Search](https://www.wearedevelopers.com/videos/1612-how-to-decipher-user-uncertainty-with-genai-and-vector-search) 路 Ben Greenberg - [Telemetry without the 'Tool Tax'](https://www.wearedevelopers.com/videos/386-telemetry-without-the-tool-tax) 路 Ben Greenberg ## Links - [X](https://twitter.com/hummusonrails) - [LinkedIn](https://www.linkedin.com/in/hummusonrails/)