Vittorio Rivabella
Engineer / AI Researcher / Speaker
About
I work on AI security and developer tooling at the Ethereum Foundation. Before that, I led product at Cyfrin and developer relations at Alchemy, helping make Web3 more secure and accessible. I got into tech through robotics, CGI, and game engines, and I still care most about building things that make complex technology feel simple. When I'm not writing code, I'm sharing ideas on stage or in writing.
Clients & Employers
Employers
Ethereum Foundation
ethereum.orgAI Coordinator
Cyfrin
cyfrin.ioHead of Product
Alchemy
alchemy.comLead Developer Relations
Projects
X402-audio-to-audio→
★ 34Transmits signed USDC payments over sound using a custom OOK audio modem with Goertzel detection. Compresses x402 handshakes to 138 bytes, settling on Base through 36 seconds of 2400 Hz beeping.
create-8004-agent→
★ 43npx CLI that scaffolds blockchain-registered AI agents with on-chain identity (ERC-8004), A2A communication, MCP tool serving, and optional USDC micropayments across EVM and Solana.
sharedcontext→
★ 30MCP server that gives AI coding assistants persistent cross-client memory. Facts and conversations stored in SQLite, encrypted with AES-256-GCM, synced to Arweave. No server, no account, recoverable with a 12-word phrase.
Speaking
Stable Summit - Cannes
Breaking and Defending AI: The State of Security in the Age of Agents
Writing
I write about AI engineering, distributed systems, and the craft of building software. New essays every few weeks.
The Permanent Underclass Is Real. But It’s Not About AI.
Feb 25, 2026Everyone is talking about the permanent underclass right now. And almost everyone is wrong about what it is.
You Didn't Lose Your Privacy. Something Worse Happened.
Feb 17, 2026AI doesn't need you to share anything anymore. It can infer what you never told it, from data you gave away years ago.
Connect